http://git-wip-us.apache.org/repos/asf/chukwa/blob/6f6e4399/src/main/web/hicc/home/js/jquery.gridster.js ---------------------------------------------------------------------- diff --git a/src/main/web/hicc/home/js/jquery.gridster.js b/src/main/web/hicc/home/js/jquery.gridster.js deleted file mode 100755 index 0f61c44..0000000 --- a/src/main/web/hicc/home/js/jquery.gridster.js +++ /dev/null @@ -1,4051 +0,0 @@ -/*! gridster.js - v0.5.6 - 2014-09-25 -* http://gridster.net/ -* Copyright (c) 2014 ducksboard; Licensed MIT */ - -;(function(root, factory) { - - if (typeof define === 'function' && define.amd) { - define('gridster-coords', ['jquery'], factory); - } else { - root.GridsterCoords = factory(root.$ || root.jQuery); - } - -}(this, function($) { - /** - * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height) - * to simulate DOM elements on the screen. - * Coords is used by Gridster to create a faux grid with any DOM element can - * collide. - * - * @class Coords - * @param {HTMLElement|Object} obj The jQuery HTMLElement or a object with: left, - * top, width and height properties. - * @return {Object} Coords instance. - * @constructor - */ - function Coords(obj) { - if (obj[0] && $.isPlainObject(obj[0])) { - this.data = obj[0]; - }else { - this.el = obj; - } - - this.isCoords = true; - this.coords = {}; - this.init(); - return this; - } - - - var fn = Coords.prototype; - - - fn.init = function(){ - this.set(); - this.original_coords = this.get(); - }; - - - fn.set = function(update, not_update_offsets) { - var el = this.el; - - if (el && !update) { - this.data = el.offset(); - this.data.width = el.width(); - this.data.height = el.height(); - } - - if (el && update && !not_update_offsets) { - var offset = el.offset(); - this.data.top = offset.top; - this.data.left = offset.left; - } - - var d = this.data; - - typeof d.left === 'undefined' && (d.left = d.x1); - typeof d.top === 'undefined' && (d.top = d.y1); - - this.coords.x1 = d.left; - this.coords.y1 = d.top; - this.coords.x2 = d.left + d.width; - this.coords.y2 = d.top + d.height; - this.coords.cx = d.left + (d.width / 2); - this.coords.cy = d.top + (d.height / 2); - this.coords.width = d.width; - this.coords.height = d.height; - this.coords.el = el || false ; - - return this; - }; - - - fn.update = function(data){ - if (!data && !this.el) { - return this; - } - - if (data) { - var new_data = $.extend({}, this.data, data); - this.data = new_data; - return this.set(true, true); - } - - this.set(true); - return this; - }; - - - fn.get = function(){ - return this.coords; - }; - - fn.destroy = function() { - this.el.removeData('coords'); - delete this.el; - }; - - //jQuery adapter - $.fn.coords = function() { - if (this.data('coords') ) { - return this.data('coords'); - } - - var ins = new Coords(this, arguments[0]); - this.data('coords', ins); - return ins; - }; - - return Coords; - -})); - -;(function(root, factory) { - - if (typeof define === 'function' && define.amd) { - define('gridster-collision', ['jquery', 'gridster-coords'], factory); - } else { - root.GridsterCollision = factory(root.$ || root.jQuery, - root.GridsterCoords); - } - -}(this, function($, Coords) { - - var defaults = { - colliders_context: document.body, - overlapping_region: 'C' - // ,on_overlap: function(collider_data){}, - // on_overlap_start : function(collider_data){}, - // on_overlap_stop : function(collider_data){} - }; - - - /** - * Detects collisions between a DOM element against other DOM elements or - * Coords objects. - * - * @class Collision - * @uses Coords - * @param {HTMLElement} el The jQuery wrapped HTMLElement. - * @param {HTMLElement|Array} colliders Can be a jQuery collection - * of HTMLElements or an Array of Coords instances. - * @param {Object} [options] An Object with all options you want to - * overwrite: - * @param {String} [options.overlapping_region] Determines when collision - * is valid, depending on the overlapped area. Values can be: 'N', 'S', - * 'W', 'E', 'C' or 'all'. Default is 'C'. - * @param {Function} [options.on_overlap_start] Executes a function the first - * time each `collider ` is overlapped. - * @param {Function} [options.on_overlap_stop] Executes a function when a - * `collider` is no longer collided. - * @param {Function} [options.on_overlap] Executes a function when the - * mouse is moved during the collision. - * @return {Object} Collision instance. - * @constructor - */ - function Collision(el, colliders, options) { - this.options = $.extend(defaults, options); - this.$element = el; - this.last_colliders = []; - this.last_colliders_coords = []; - this.set_colliders(colliders); - - this.init(); - } - - Collision.defaults = defaults; - - var fn = Collision.prototype; - - - fn.init = function() { - this.find_collisions(); - }; - - - fn.overlaps = function(a, b) { - var x = false; - var y = false; - - if ((b.x1 >= a.x1 && b.x1 <= a.x2) || - (b.x2 >= a.x1 && b.x2 <= a.x2) || - (a.x1 >= b.x1 && a.x2 <= b.x2) - ) { x = true; } - - if ((b.y1 >= a.y1 && b.y1 <= a.y2) || - (b.y2 >= a.y1 && b.y2 <= a.y2) || - (a.y1 >= b.y1 && a.y2 <= b.y2) - ) { y = true; } - - return (x && y); - }; - - - fn.detect_overlapping_region = function(a, b){ - var regionX = ''; - var regionY = ''; - - if (a.y1 > b.cy && a.y1 < b.y2) { regionX = 'N'; } - if (a.y2 > b.y1 && a.y2 < b.cy) { regionX = 'S'; } - if (a.x1 > b.cx && a.x1 < b.x2) { regionY = 'W'; } - if (a.x2 > b.x1 && a.x2 < b.cx) { regionY = 'E'; } - - return (regionX + regionY) || 'C'; - }; - - - fn.calculate_overlapped_area_coords = function(a, b){ - var x1 = Math.max(a.x1, b.x1); - var y1 = Math.max(a.y1, b.y1); - var x2 = Math.min(a.x2, b.x2); - var y2 = Math.min(a.y2, b.y2); - - return $({ - left: x1, - top: y1, - width : (x2 - x1), - height: (y2 - y1) - }).coords().get(); - }; - - - fn.calculate_overlapped_area = function(coords){ - return (coords.width * coords.height); - }; - - - fn.manage_colliders_start_stop = function(new_colliders_coords, start_callback, stop_callback){ - var last = this.last_colliders_coords; - - for (var i = 0, il = last.length; i < il; i++) { - if ($.inArray(last[i], new_colliders_coords) === -1) { - start_callback.call(this, last[i]); - } - } - - for (var j = 0, jl = new_colliders_coords.length; j < jl; j++) { - if ($.inArray(new_colliders_coords[j], last) === -1) { - stop_callback.call(this, new_colliders_coords[j]); - } - - } - }; - - - fn.find_collisions = function(player_data_coords){ - var self = this; - var overlapping_region = this.options.overlapping_region; - var colliders_coords = []; - var colliders_data = []; - var $colliders = (this.colliders || this.$colliders); - var count = $colliders.length; - var player_coords = self.$element.coords() - .update(player_data_coords || false).get(); - - while(count--){ - var $collider = self.$colliders ? - $($colliders[count]) : $colliders[count]; - var $collider_coords_ins = ($collider.isCoords) ? - $collider : $collider.coords(); - var collider_coords = $collider_coords_ins.get(); - var overlaps = self.overlaps(player_coords, collider_coords); - - if (!overlaps) { - continue; - } - - var region = self.detect_overlapping_region( - player_coords, collider_coords); - - //todo: make this an option - if (region === overlapping_region || overlapping_region === 'all') { - - var area_coords = self.calculate_overlapped_area_coords( - player_coords, collider_coords); - var area = self.calculate_overlapped_area(area_coords); - var collider_data = { - area: area, - area_coords : area_coords, - region: region, - coords: collider_coords, - player_coords: player_coords, - el: $collider - }; - - if (self.options.on_overlap) { - self.options.on_overlap.call(this, collider_data); - } - colliders_coords.push($collider_coords_ins); - colliders_data.push(collider_data); - } - } - - if (self.options.on_overlap_stop || self.options.on_overlap_start) { - this.manage_colliders_start_stop(colliders_coords, - self.options.on_overlap_start, self.options.on_overlap_stop); - } - - this.last_colliders_coords = colliders_coords; - - return colliders_data; - }; - - - fn.get_closest_colliders = function(player_data_coords){ - var colliders = this.find_collisions(player_data_coords); - - colliders.sort(function(a, b) { - /* if colliders are being overlapped by the "C" (center) region, - * we have to set a lower index in the array to which they are placed - * above in the grid. */ - if (a.region === 'C' && b.region === 'C') { - if (a.coords.y1 < b.coords.y1 || a.coords.x1 < b.coords.x1) { - return - 1; - }else{ - return 1; - } - } - - if (a.area < b.area) { - return 1; - } - - return 1; - }); - return colliders; - }; - - - fn.set_colliders = function(colliders) { - if (typeof colliders === 'string' || colliders instanceof $) { - this.$colliders = $(colliders, - this.options.colliders_context).not(this.$element); - }else{ - this.colliders = $(colliders); - } - }; - - - //jQuery adapter - $.fn.collision = function(collider, options) { - return new Collision( this, collider, options ); - }; - - return Collision; - -})); - -;(function(window, undefined) { - - /* Delay, debounce and throttle functions taken from underscore.js - * - * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and - * Investigative Reporters & Editors - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - - window.delay = function(func, wait) { - var args = Array.prototype.slice.call(arguments, 2); - return setTimeout(function(){ return func.apply(null, args); }, wait); - }; - - window.debounce = function(func, wait, immediate) { - var timeout; - return function() { - var context = this, args = arguments; - var later = function() { - timeout = null; - if (!immediate) func.apply(context, args); - }; - if (immediate && !timeout) func.apply(context, args); - clearTimeout(timeout); - timeout = setTimeout(later, wait); - }; - }; - - window.throttle = function(func, wait) { - var context, args, timeout, throttling, more, result; - var whenDone = debounce( - function(){ more = throttling = false; }, wait); - return function() { - context = this; args = arguments; - var later = function() { - timeout = null; - if (more) func.apply(context, args); - whenDone(); - }; - if (!timeout) timeout = setTimeout(later, wait); - if (throttling) { - more = true; - } else { - result = func.apply(context, args); - } - whenDone(); - throttling = true; - return result; - }; - }; - -})(window); - -;(function(root, factory) { - - if (typeof define === 'function' && define.amd) { - define('gridster-draggable', ['jquery'], factory); - } else { - root.GridsterDraggable = factory(root.$ || root.jQuery); - } - -}(this, function($) { - - var defaults = { - items: 'li', - distance: 1, - limit: true, - offset_left: 0, - autoscroll: true, - ignore_dragging: ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'], // or function - handle: null, - container_width: 0, // 0 == auto - move_element: true, - helper: false, // or 'clone' - remove_helper: true - // drag: function(e) {}, - // start : function(e, ui) {}, - // stop : function(e) {} - }; - - var $window = $(window); - var dir_map = { x : 'left', y : 'top' }; - var isTouch = !!('ontouchstart' in window); - - var capitalize = function(str) { - return str.charAt(0).toUpperCase() + str.slice(1); - }; - - var idCounter = 0; - var uniqId = function() { - return ++idCounter + ''; - } - - /** - * Basic drag implementation for DOM elements inside a container. - * Provide start/stop/drag callbacks. - * - * @class Draggable - * @param {HTMLElement} el The HTMLelement that contains all the widgets - * to be dragged. - * @param {Object} [options] An Object with all options you want to - * overwrite: - * @param {HTMLElement|String} [options.items] Define who will - * be the draggable items. Can be a CSS Selector String or a - * collection of HTMLElements. - * @param {Number} [options.distance] Distance in pixels after mousedown - * the mouse must move before dragging should start. - * @param {Boolean} [options.limit] Constrains dragging to the width of - * the container - * @param {Object|Function} [options.ignore_dragging] Array of node names - * that sould not trigger dragging, by default is `['INPUT', 'TEXTAREA', - * 'SELECT', 'BUTTON']`. If a function is used return true to ignore dragging. - * @param {offset_left} [options.offset_left] Offset added to the item - * that is being dragged. - * @param {Number} [options.drag] Executes a callback when the mouse is - * moved during the dragging. - * @param {Number} [options.start] Executes a callback when the drag - * starts. - * @param {Number} [options.stop] Executes a callback when the drag stops. - * @return {Object} Returns `el`. - * @constructor - */ - function Draggable(el, options) { - this.options = $.extend({}, defaults, options); - this.$document = $(document); - this.$container = $(el); - this.$dragitems = $(this.options.items, this.$container); - this.is_dragging = false; - this.player_min_left = 0 + this.options.offset_left; - this.id = uniqId(); - this.ns = '.gridster-draggable-' + this.id; - this.init(); - } - - Draggable.defaults = defaults; - - var fn = Draggable.prototype; - - fn.init = function() { - var pos = this.$container.css('position'); - this.calculate_dimensions(); - this.$container.css('position', pos === 'static' ? 'relative' : pos); - this.disabled = false; - this.events(); - - $(window).bind(this.nsEvent('resize'), - throttle($.proxy(this.calculate_dimensions, this), 200)); - }; - - fn.nsEvent = function(ev) { - return (ev || '') + this.ns; - }; - - fn.events = function() { - this.pointer_events = { - start: this.nsEvent('touchstart') + ' ' + this.nsEvent('mousedown'), - move: this.nsEvent('touchmove') + ' ' + this.nsEvent('mousemove'), - end: this.nsEvent('touchend') + ' ' + this.nsEvent('mouseup'), - }; - - this.$container.on(this.nsEvent('selectstart'), - $.proxy(this.on_select_start, this)); - - this.$container.on(this.pointer_events.start, this.options.items, - $.proxy(this.drag_handler, this)); - - this.$document.on(this.pointer_events.end, $.proxy(function(e) { - this.is_dragging = false; - if (this.disabled) { return; } - this.$document.off(this.pointer_events.move); - if (this.drag_start) { - this.on_dragstop(e); - } - }, this)); - }; - - fn.get_actual_pos = function($el) { - var pos = $el.position(); - return pos; - }; - - - fn.get_mouse_pos = function(e) { - if (e.originalEvent && e.originalEvent.touches) { - var oe = e.originalEvent; - e = oe.touches.length ? oe.touches[0] : oe.changedTouches[0]; - } - - return { - left: e.clientX, - top: e.clientY - }; - }; - - - fn.get_offset = function(e) { - e.preventDefault(); - var mouse_actual_pos = this.get_mouse_pos(e); - var diff_x = Math.round( - mouse_actual_pos.left - this.mouse_init_pos.left); - var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top); - - var left = Math.round(this.el_init_offset.left + - diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x); - var top = Math.round(this.el_init_offset.top + - diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y); - - if (this.options.limit) { - if (left > this.player_max_left) { - left = this.player_max_left; - } else if(left < this.player_min_left) { - left = this.player_min_left; - } - } - - return { - position: { - left: left, - top: top - }, - pointer: { - left: mouse_actual_pos.left, - top: mouse_actual_pos.top, - diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x), - diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y) - } - }; - }; - - - fn.get_drag_data = function(e) { - var offset = this.get_offset(e); - offset.$player = this.$player; - offset.$helper = this.helper ? this.$helper : this.$player; - - return offset; - }; - - - fn.set_limits = function(container_width) { - container_width || (container_width = this.$container.width()); - this.player_max_left = (container_width - this.player_width + - - this.options.offset_left); - - this.options.container_width = container_width; - - return this; - }; - - - fn.scroll_in = function(axis, data) { - var dir_prop = dir_map[axis]; - - var area_size = 50; - var scroll_inc = 30; - - var is_x = axis === 'x'; - var window_size = is_x ? this.window_width : this.window_height; - var doc_size = is_x ? $(document).width() : $(document).height(); - var player_size = is_x ? this.$player.width() : this.$player.height(); - - var next_scroll; - var scroll_offset = $window['scroll' + capitalize(dir_prop)](); - var min_window_pos = scroll_offset; - var max_window_pos = min_window_pos + window_size; - - var mouse_next_zone = max_window_pos - area_size; // down/right - var mouse_prev_zone = min_window_pos + area_size; // up/left - - var abs_mouse_pos = min_window_pos + data.pointer[dir_prop]; - - var max_player_pos = (doc_size - window_size + player_size); - - if (abs_mouse_pos >= mouse_next_zone) { - next_scroll = scroll_offset + scroll_inc; - if (next_scroll < max_player_pos) { - $window['scroll' + capitalize(dir_prop)](next_scroll); - this['scroll_offset_' + axis] += scroll_inc; - } - } - - if (abs_mouse_pos <= mouse_prev_zone) { - next_scroll = scroll_offset - scroll_inc; - if (next_scroll > 0) { - $window['scroll' + capitalize(dir_prop)](next_scroll); - this['scroll_offset_' + axis] -= scroll_inc; - } - } - - return this; - }; - - - fn.manage_scroll = function(data) { - this.scroll_in('x', data); - this.scroll_in('y', data); - }; - - - fn.calculate_dimensions = function(e) { - this.window_height = $window.height(); - this.window_width = $window.width(); - }; - - - fn.drag_handler = function(e) { - var node = e.target.nodeName; - // skip if drag is disabled, or click was not done with the mouse primary button - if (this.disabled || e.which !== 1 && !isTouch) { - return; - } - - if (this.ignore_drag(e)) { - return; - } - - var self = this; - var first = true; - this.$player = $(e.currentTarget); - - this.el_init_pos = this.get_actual_pos(this.$player); - this.mouse_init_pos = this.get_mouse_pos(e); - this.offsetY = this.mouse_init_pos.top - this.el_init_pos.top; - - this.$document.on(this.pointer_events.move, function(mme) { - var mouse_actual_pos = self.get_mouse_pos(mme); - var diff_x = Math.abs( - mouse_actual_pos.left - self.mouse_init_pos.left); - var diff_y = Math.abs( - mouse_actual_pos.top - self.mouse_init_pos.top); - if (!(diff_x > self.options.distance || - diff_y > self.options.distance) - ) { - return false; - } - - if (first) { - first = false; - self.on_dragstart.call(self, mme); - return false; - } - - if (self.is_dragging === true) { - self.on_dragmove.call(self, mme); - } - - return false; - }); - - if (!isTouch) { return false; } - }; - - - fn.on_dragstart = function(e) { - e.preventDefault(); - - if (this.is_dragging) { return this; } - - this.drag_start = this.is_dragging = true; - var offset = this.$container.offset(); - this.baseX = Math.round(offset.left); - this.baseY = Math.round(offset.top); - this.initial_container_width = this.options.container_width || this.$container.width(); - - if (this.options.helper === 'clone') { - this.$helper = this.$player.clone() - .appendTo(this.$container).addClass('helper'); - this.helper = true; - } else { - this.helper = false; - } - - this.win_offset_y = $(window).scrollTop(); - this.win_offset_x = $(window).scrollLeft(); - this.scroll_offset_y = 0; - this.scroll_offset_x = 0; - this.el_init_offset = this.$player.offset(); - this.player_width = this.$player.width(); - this.player_height = this.$player.height(); - - this.set_limits(this.options.container_width); - - if (this.options.start) { - this.options.start.call(this.$player, e, this.get_drag_data(e)); - } - return false; - }; - - - fn.on_dragmove = function(e) { - var data = this.get_drag_data(e); - - this.options.autoscroll && this.manage_scroll(data); - - if (this.options.move_element) { - (this.helper ? this.$helper : this.$player).css({ - 'position': 'absolute', - 'left' : data.position.left, - 'top' : data.position.top - }); - } - - var last_position = this.last_position || data.position; - data.prev_position = last_position; - - if (this.options.drag) { - this.options.drag.call(this.$player, e, data); - } - - this.last_position = data.position; - return false; - }; - - - fn.on_dragstop = function(e) { - var data = this.get_drag_data(e); - this.drag_start = false; - - if (this.options.stop) { - this.options.stop.call(this.$player, e, data); - } - - if (this.helper && this.options.remove_helper) { - this.$helper.remove(); - } - - return false; - }; - - fn.on_select_start = function(e) { - if (this.disabled) { return; } - - if (this.ignore_drag(e)) { - return; - } - - return false; - }; - - fn.enable = function() { - this.disabled = false; - }; - - fn.disable = function() { - this.disabled = true; - }; - - fn.destroy = function() { - this.disable(); - - this.$container.off(this.ns); - this.$document.off(this.ns); - $(window).off(this.ns); - - $.removeData(this.$container, 'drag'); - }; - - fn.ignore_drag = function(event) { - if (this.options.handle) { - return !$(event.target).is(this.options.handle); - } - - if ($.isFunction(this.options.ignore_dragging)) { - return this.options.ignore_dragging(event); - } - - return $(event.target).is(this.options.ignore_dragging.join(', ')); - }; - - //jQuery adapter - $.fn.drag = function ( options ) { - return new Draggable(this, options); - }; - - return Draggable; - -})); - -;(function(root, factory) { - - if (typeof define === 'function' && define.amd) { - define(['jquery', 'gridster-draggable', 'gridster-collision'], factory); - } else { - root.Gridster = factory(root.$ || root.jQuery, root.GridsterDraggable, - root.GridsterCollision); - } - - }(this, function($, Draggable, Collision) { - - var defaults = { - namespace: '', - widget_selector: 'li', - widget_margins: [10, 10], - widget_base_dimensions: [400, 225], - extra_rows: 0, - extra_cols: 0, - min_cols: 1, - max_cols: Infinity, - min_rows: 15, - max_size_x: false, - autogrow_cols: false, - autogenerate_stylesheet: true, - avoid_overlapped_widgets: true, - auto_init: true, - serialize_params: function($w, wgd) { - var url = $w.find('iframe').contents().get(0).location.href; - return { - col: wgd.col, - row: wgd.row, - size_x: wgd.size_x, - size_y: wgd.size_y, - src: url, - }; - }, - collision: {}, - draggable: { - items: '.gs-w', - distance: 4, - ignore_dragging: Draggable.defaults.ignore_dragging.slice(0) - }, - resize: { - enabled: false, - axes: ['both'], - handle_append_to: '', - handle_class: 'gs-resize-handle', - max_size: [Infinity, Infinity], - min_size: [1, 1] - }, - header: { - enabled: true, - axes: ['both'], - handle_append_to: '', - handle_class: 'gs-header' - } - }; - - /** - * @class Gridster - * @uses Draggable - * @uses Collision - * @param {HTMLElement} el The HTMLelement that contains all the widgets. - * @param {Object} [options] An Object with all options you want to - * overwrite: - * @param {HTMLElement|String} [options.widget_selector] Define who will - * be the draggable widgets. Can be a CSS Selector String or a - * collection of HTMLElements - * @param {Array} [options.widget_margins] Margin between widgets. - * The first index for the horizontal margin (left, right) and - * the second for the vertical margin (top, bottom). - * @param {Array} [options.widget_base_dimensions] Base widget dimensions - * in pixels. The first index for the width and the second for the - * height. - * @param {Number} [options.extra_cols] Add more columns in addition to - * those that have been calculated. - * @param {Number} [options.extra_rows] Add more rows in addition to - * those that have been calculated. - * @param {Number} [options.min_cols] The minimum required columns. - * @param {Number} [options.max_cols] The maximum columns possible (set to null - * for no maximum). - * @param {Number} [options.min_rows] The minimum required rows. - * @param {Number} [options.max_size_x] The maximum number of columns - * that a widget can span. - * @param {Boolean} [options.autogenerate_stylesheet] If true, all the - * CSS required to position all widgets in their respective columns - * and rows will be generated automatically and injected to the - * `<head>` of the document. You can set this to false, and write - * your own CSS targeting rows and cols via data-attributes like so: - * `[data-col="1"] { left: 10px; }` - * @param {Boolean} [options.avoid_overlapped_widgets] Avoid that widgets loaded - * from the DOM can be overlapped. It is helpful if the positions were - * bad stored in the database or if there was any conflict. - * @param {Boolean} [options.auto_init] Automatically call gridster init - * method or not when the plugin is instantiated. - * @param {Function} [options.serialize_params] Return the data you want - * for each widget in the serialization. Two arguments are passed: - * `$w`: the jQuery wrapped HTMLElement, and `wgd`: the grid - * coords object (`col`, `row`, `size_x`, `size_y`). - * @param {Object} [options.collision] An Object with all options for - * Collision class you want to overwrite. See Collision docs for - * more info. - * @param {Object} [options.draggable] An Object with all options for - * Draggable class you want to overwrite. See Draggable docs for more - * info. - * @param {Object|Function} [options.draggable.ignore_dragging] Note that - * if you use a Function, and resize is enabled, you should ignore the - * resize handlers manually (options.resize.handle_class). - * @param {Object} [options.resize] An Object with resize config options. - * @param {Boolean} [options.resize.enabled] Set to true to enable - * resizing. - * @param {Array} [options.resize.axes] Axes in which widgets can be - * resized. Possible values: ['x', 'y', 'both']. - * @param {String} [options.resize.handle_append_to] Set a valid CSS - * selector to append resize handles to. - * @param {String} [options.resize.handle_class] CSS class name used - * by resize handles. - * @param {Array} [options.resize.max_size] Limit widget dimensions - * when resizing. Array values should be integers: - * `[max_cols_occupied, max_rows_occupied]` - * @param {Array} [options.resize.min_size] Limit widget dimensions - * when resizing. Array values should be integers: - * `[min_cols_occupied, min_rows_occupied]` - * @param {Function} [options.resize.start] Function executed - * when resizing starts. - * @param {Function} [otions.resize.resize] Function executed - * during the resizing. - * @param {Function} [options.resize.stop] Function executed - * when resizing stops. - * - * @constructor - */ - function Gridster(el, options) { - this.options = $.extend(true, {}, defaults, options); - this.$el = $(el); - this.$wrapper = this.$el.parent(); - this.$widgets = this.$el.children( - this.options.widget_selector).addClass('gs-w'); - this.widgets = []; - this.$changed = $([]); - this.wrapper_width = this.$wrapper.width(); - this.min_widget_width = (this.options.widget_margins[0] * 2) + - this.options.widget_base_dimensions[0]; - this.min_widget_height = (this.options.widget_margins[1] * 2) + - this.options.widget_base_dimensions[1]; - - this.generated_stylesheets = []; - this.$style_tags = $([]); - - this.options.auto_init && this.init(); - } - - Gridster.defaults = defaults; - Gridster.generated_stylesheets = []; - - - /** - * Sorts an Array of grid coords objects (representing the grid coords of - * each widget) in ascending way. - * - * @method sort_by_row_asc - * @param {Array} widgets Array of grid coords objects - * @return {Array} Returns the array sorted. - */ - Gridster.sort_by_row_asc = function(widgets) { - widgets = widgets.sort(function(a, b) { - if (!a.row) { - a = $(a).coords().grid; - b = $(b).coords().grid; - } - - if (a.row > b.row) { - return 1; - } - return -1; - }); - - return widgets; - }; - - - /** - * Sorts an Array of grid coords objects (representing the grid coords of - * each widget) placing first the empty cells upper left. - * - * @method sort_by_row_and_col_asc - * @param {Array} widgets Array of grid coords objects - * @return {Array} Returns the array sorted. - */ - Gridster.sort_by_row_and_col_asc = function(widgets) { - widgets = widgets.sort(function(a, b) { - if (a.row > b.row || a.row === b.row && a.col > b.col) { - return 1; - } - return -1; - }); - - return widgets; - }; - - - /** - * Sorts an Array of grid coords objects by column (representing the grid - * coords of each widget) in ascending way. - * - * @method sort_by_col_asc - * @param {Array} widgets Array of grid coords objects - * @return {Array} Returns the array sorted. - */ - Gridster.sort_by_col_asc = function(widgets) { - widgets = widgets.sort(function(a, b) { - if (a.col > b.col) { - return 1; - } - return -1; - }); - - return widgets; - }; - - - /** - * Sorts an Array of grid coords objects (representing the grid coords of - * each widget) in descending way. - * - * @method sort_by_row_desc - * @param {Array} widgets Array of grid coords objects - * @return {Array} Returns the array sorted. - */ - Gridster.sort_by_row_desc = function(widgets) { - widgets = widgets.sort(function(a, b) { - if (a.row + a.size_y < b.row + b.size_y) { - return 1; - } - return -1; - }); - return widgets; - }; - - - - /** Instance Methods **/ - - var fn = Gridster.prototype; - - fn.init = function() { - this.options.resize.enabled && this.setup_resize(); - this.options.header.enabled && this.setup_header(); - this.generate_grid_and_stylesheet(); - this.get_widgets_from_DOM(); - this.set_dom_grid_height(); - this.set_dom_grid_width(); - this.$wrapper.addClass('ready'); - this.draggable(); - this.options.resize.enabled && this.resizable(); - - $(window).bind('resize.gridster', throttle( - $.proxy(this.recalculate_faux_grid, this), 200)); - }; - - - /** - * Disables dragging. - * - * @method disable - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.disable = function() { - this.$wrapper.find('.player-revert').removeClass('player-revert'); - this.drag_api.disable(); - return this; - }; - - - /** - * Enables dragging. - * - * @method enable - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.enable = function() { - this.drag_api.enable(); - return this; - }; - - - - /** - * Disables drag-and-drop widget resizing. - * - * @method disable - * @return {Class} Returns instance of gridster Class. - */ - fn.disable_resize = function() { - this.$el.addClass('gs-resize-disabled'); - this.resize_api.disable(); - return this; - }; - - - /** - * Enables drag-and-drop widget resizing. - * - * @method enable - * @return {Class} Returns instance of gridster Class. - */ - fn.enable_resize = function() { - this.$el.removeClass('gs-resize-disabled'); - this.resize_api.enable(); - return this; - }; - - - /** - * Add a new widget to the grid. - * - * @method add_widget - * @param {URI} url of the widget - * or the HTMLElement. - * @param {Number} [size_x] The nº of rows the widget occupies horizontally. - * @param {Number} [size_y] The nº of columns the widget occupies vertically. - * @param {Number} [col] The column the widget should start in. - * @param {Number} [row] The row the widget should start in. - * @param {Array} [max_size] max_size Maximun size (in units) for width and height. - * @param {Array} [min_size] min_size Minimum size (in units) for width and height. - * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing. - * the widget that was just created. - */ - fn.add_widget = function(url, size_x, size_y, col, row, max_size, min_size) { - var pos; - size_x || (size_x = 1); - size_y || (size_y = 1); - - if (!col & !row) { - pos = this.next_position(size_x, size_y); - } else { - pos = { - col: col, - row: row, - size_x: size_x, - size_y: size_y - }; - - this.empty_cells(col, row, size_x, size_y); - } - var html = '<li><iframe src="'+url+'" seamless /></li>'; - var $w = $(html).attr({ - 'data-col': pos.col, - 'data-row': pos.row, - 'data-sizex' : size_x, - 'data-sizey' : size_y - }).addClass('gs-w').appendTo(this.$el).hide(); - - this.$widgets = this.$widgets.add($w); - - this.register_widget($w); - - this.add_faux_rows(pos.size_y); - //this.add_faux_cols(pos.size_x); - - if (max_size) { - this.set_widget_max_size($w, max_size); - } - - if (min_size) { - this.set_widget_min_size($w, min_size); - } - - this.set_dom_grid_width(); - this.set_dom_grid_height(); - - this.drag_api.set_limits(this.cols * this.min_widget_width); - - return $w.fadeIn(); - }; - - - /** - * Change widget size limits. - * - * @method set_widget_min_size - * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement - * representing the widget or an index representing the desired widget. - * @param {Array} min_size Minimum size (in units) for width and height. - * @return {HTMLElement} Returns instance of gridster Class. - */ - fn.set_widget_min_size = function($widget, min_size) { - $widget = typeof $widget === 'number' ? - this.$widgets.eq($widget) : $widget; - - if (!$widget.length) { return this; } - - var wgd = $widget.data('coords').grid; - wgd.min_size_x = min_size[0]; - wgd.min_size_y = min_size[1]; - - return this; - }; - - - /** - * Change widget size limits. - * - * @method set_widget_max_size - * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement - * representing the widget or an index representing the desired widget. - * @param {Array} max_size Maximun size (in units) for width and height. - * @return {HTMLElement} Returns instance of gridster Class. - */ - fn.set_widget_max_size = function($widget, max_size) { - $widget = typeof $widget === 'number' ? - this.$widgets.eq($widget) : $widget; - - if (!$widget.length) { return this; } - - var wgd = $widget.data('coords').grid; - wgd.max_size_x = max_size[0]; - wgd.max_size_y = max_size[1]; - - return this; - }; - - - /** - * Append the resize handle into a widget. - * - * @method add_resize_handle - * @param {HTMLElement} $widget The jQuery wrapped HTMLElement - * representing the widget. - * @return {HTMLElement} Returns instance of gridster Class. - */ - fn.add_resize_handle = function($w) { - var append_to = this.options.resize.handle_append_to; - $(this.resize_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); - - return this; - }; - - - /** - * Append the header handle into a widget. - * - * @method add_header_handle - * @param {HTMLElement} $widget The jQuery wrapped HTMLElement - * representing the widget. - * @return {HTMLElement} Returns instance of gridster Class. - */ - fn.add_header_handle = function($w) { - var append_to = this.options.header.handle_append_to; - $(this.header_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); - - return this; - }; - - - /** - * Change the size of a widget. Width is limited to the current grid width. - * - * @method resize_widget - * @param {HTMLElement} $widget The jQuery wrapped HTMLElement - * representing the widget. - * @param {Number} size_x The number of columns that will occupy the widget. - * By default <code>size_x</code> is limited to the space available from - * the column where the widget begins, until the last column to the right. - * @param {Number} size_y The number of rows that will occupy the widget. - * @param {Function} [callback] Function executed when the widget is removed. - * @return {HTMLElement} Returns $widget. - */ - fn.resize_widget = function($widget, size_x, size_y, callback) { - var wgd = $widget.coords().grid; - var col = wgd.col; - var max_cols = this.options.max_cols; - var old_size_y = wgd.size_y; - var old_col = wgd.col; - var new_col = old_col; - - size_x || (size_x = wgd.size_x); - size_y || (size_y = wgd.size_y); - - if (max_cols !== Infinity) { - size_x = Math.min(size_x, max_cols - col + 1); - } - - if (size_y > old_size_y) { - this.add_faux_rows(Math.max(size_y - old_size_y, 0)); - } - - var player_rcol = (col + size_x - 1); - if (player_rcol > this.cols) { - this.add_faux_cols(player_rcol - this.cols); - } - - var new_grid_data = { - col: new_col, - row: wgd.row, - size_x: size_x, - size_y: size_y - }; - - this.mutate_widget_in_gridmap($widget, wgd, new_grid_data); - - this.set_dom_grid_height(); - this.set_dom_grid_width(); - - if (callback) { - callback.call(this, new_grid_data.size_x, new_grid_data.size_y); - } - - return $widget; - }; - - - /** - * Mutate widget dimensions and position in the grid map. - * - * @method mutate_widget_in_gridmap - * @param {HTMLElement} $widget The jQuery wrapped HTMLElement - * representing the widget to mutate. - * @param {Object} wgd Current widget grid data (col, row, size_x, size_y). - * @param {Object} new_wgd New widget grid data. - * @return {HTMLElement} Returns instance of gridster Class. - */ - fn.mutate_widget_in_gridmap = function($widget, wgd, new_wgd) { - var old_size_x = wgd.size_x; - var old_size_y = wgd.size_y; - - var old_cells_occupied = this.get_cells_occupied(wgd); - var new_cells_occupied = this.get_cells_occupied(new_wgd); - - var empty_cols = []; - $.each(old_cells_occupied.cols, function(i, col) { - if ($.inArray(col, new_cells_occupied.cols) === -1) { - empty_cols.push(col); - } - }); - - var occupied_cols = []; - $.each(new_cells_occupied.cols, function(i, col) { - if ($.inArray(col, old_cells_occupied.cols) === -1) { - occupied_cols.push(col); - } - }); - - var empty_rows = []; - $.each(old_cells_occupied.rows, function(i, row) { - if ($.inArray(row, new_cells_occupied.rows) === -1) { - empty_rows.push(row); - } - }); - - var occupied_rows = []; - $.each(new_cells_occupied.rows, function(i, row) { - if ($.inArray(row, old_cells_occupied.rows) === -1) { - occupied_rows.push(row); - } - }); - - this.remove_from_gridmap(wgd); - - if (occupied_cols.length) { - var cols_to_empty = [ - new_wgd.col, new_wgd.row, new_wgd.size_x, Math.min(old_size_y, new_wgd.size_y), $widget - ]; - this.empty_cells.apply(this, cols_to_empty); - } - - if (occupied_rows.length) { - var rows_to_empty = [new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget]; - this.empty_cells.apply(this, rows_to_empty); - } - - // not the same that wgd = new_wgd; - wgd.col = new_wgd.col; - wgd.row = new_wgd.row; - wgd.size_x = new_wgd.size_x; - wgd.size_y = new_wgd.size_y; - - this.add_to_gridmap(new_wgd, $widget); - - $widget.removeClass('player-revert'); - - //update coords instance attributes - $widget.data('coords').update({ - width: (new_wgd.size_x * this.options.widget_base_dimensions[0] + - ((new_wgd.size_x - 1) * this.options.widget_margins[0]) * 2), - height: (new_wgd.size_y * this.options.widget_base_dimensions[1] + - ((new_wgd.size_y - 1) * this.options.widget_margins[1]) * 2) - }); - - $widget.attr({ - 'data-col': new_wgd.col, - 'data-row': new_wgd.row, - 'data-sizex': new_wgd.size_x, - 'data-sizey': new_wgd.size_y - }); - - if (empty_cols.length) { - var cols_to_remove_holes = [ - empty_cols[0], new_wgd.row, - empty_cols.length, - Math.min(old_size_y, new_wgd.size_y), - $widget - ]; - - this.remove_empty_cells.apply(this, cols_to_remove_holes); - } - - if (empty_rows.length) { - var rows_to_remove_holes = [ - new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget - ]; - this.remove_empty_cells.apply(this, rows_to_remove_holes); - } - - this.move_widget_up($widget); - - return this; - }; - - - /** - * Move down widgets in cells represented by the arguments col, row, size_x, - * size_y - * - * @method empty_cells - * @param {Number} col The column where the group of cells begin. - * @param {Number} row The row where the group of cells begin. - * @param {Number} size_x The number of columns that the group of cells - * occupy. - * @param {Number} size_y The number of rows that the group of cells - * occupy. - * @param {HTMLElement} $exclude Exclude widgets from being moved. - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.empty_cells = function(col, row, size_x, size_y, $exclude) { - var $nexts = this.widgets_below({ - col: col, - row: row - size_y, - size_x: size_x, - size_y: size_y - }); - - $nexts.not($exclude).each($.proxy(function(i, w) { - var wgd = $(w).coords().grid; - if ( !(wgd.row <= (row + size_y - 1))) { return; } - var diff = (row + size_y) - wgd.row; - this.move_widget_down($(w), diff); - }, this)); - - this.set_dom_grid_height(); - - return this; - }; - - - /** - * Move up widgets below cells represented by the arguments col, row, size_x, - * size_y. - * - * @method remove_empty_cells - * @param {Number} col The column where the group of cells begin. - * @param {Number} row The row where the group of cells begin. - * @param {Number} size_x The number of columns that the group of cells - * occupy. - * @param {Number} size_y The number of rows that the group of cells - * occupy. - * @param {HTMLElement} exclude Exclude widgets from being moved. - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.remove_empty_cells = function(col, row, size_x, size_y, exclude) { - var $nexts = this.widgets_below({ - col: col, - row: row, - size_x: size_x, - size_y: size_y - }); - - $nexts.not(exclude).each($.proxy(function(i, widget) { - this.move_widget_up( $(widget), size_y ); - }, this)); - - this.set_dom_grid_height(); - - return this; - }; - - - /** - * Get the most left column below to add a new widget. - * - * @method next_position - * @param {Number} size_x The nº of rows the widget occupies horizontally. - * @param {Number} size_y The nº of columns the widget occupies vertically. - * @return {Object} Returns a grid coords object representing the future - * widget coords. - */ - fn.next_position = function(size_x, size_y) { - size_x || (size_x = 1); - size_y || (size_y = 1); - var ga = this.gridmap; - var cols_l = ga.length; - var valid_pos = []; - var rows_l; - - for (var c = 1; c < cols_l; c++) { - rows_l = ga[c].length; - for (var r = 1; r <= rows_l; r++) { - var can_move_to = this.can_move_to({ - size_x: size_x, - size_y: size_y - }, c, r); - - if (can_move_to) { - valid_pos.push({ - col: c, - row: r, - size_y: size_y, - size_x: size_x - }); - } - } - } - - if (valid_pos.length) { - return Gridster.sort_by_row_and_col_asc(valid_pos)[0]; - } - return false; - }; - - - /** - * Remove a widget from the grid. - * - * @method remove_widget - * @param {HTMLElement} el The jQuery wrapped HTMLElement you want to remove. - * @param {Boolean|Function} silent If true, widgets below the removed one - * will not move up. If a Function is passed it will be used as callback. - * @param {Function} callback Function executed when the widget is removed. - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.remove_widget = function(el, silent, callback) { - var $el = el instanceof $ ? el : $(el); - var wgd = $el.coords().grid; - - // if silent is a function assume it's a callback - if ($.isFunction(silent)) { - callback = silent; - silent = false; - } - - this.cells_occupied_by_placeholder = {}; - this.$widgets = this.$widgets.not($el); - - var $nexts = this.widgets_below($el); - - this.remove_from_gridmap(wgd); - - $el.fadeOut($.proxy(function() { - $el.remove(); - - if (!silent) { - $nexts.each($.proxy(function(i, widget) { - this.move_widget_up( $(widget), wgd.size_y ); - }, this)); - } - - this.set_dom_grid_height(); - - if (callback) { - callback.call(this, el); - } - }, this)); - - return this; - }; - - - /** - * Remove all widgets from the grid. - * - * @method remove_all_widgets - * @param {Function} callback Function executed for each widget removed. - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.remove_all_widgets = function(callback) { - this.$widgets.each($.proxy(function(i, el){ - this.remove_widget(el, true, callback); - }, this)); - - return this; - }; - - - /** - * Returns a serialized array of the widgets in the grid. - * - * @method serialize - * @param {HTMLElement} [$widgets] The collection of jQuery wrapped - * HTMLElements you want to serialize. If no argument is passed all widgets - * will be serialized. - * @return {Array} Returns an Array of Objects with the data specified in - * the serialize_params option. - */ - fn.serialize = function($widgets) { - $widgets || ($widgets = this.$widgets); - - return $widgets.map($.proxy(function(i, widget) { - var $w = $(widget); - return this.options.serialize_params($w, $w.coords().grid); - }, this)).get(); - }; - - - /** - * Returns a serialized array of the widgets that have changed their - * position. - * - * @method serialize_changed - * @return {Array} Returns an Array of Objects with the data specified in - * the serialize_params option. - */ - fn.serialize_changed = function() { - return this.serialize(this.$changed); - }; - - - /** - * Convert widgets from DOM elements to "widget grid data" Objects. - * - * @method dom_to_coords - * @param {HTMLElement} $widget The widget to be converted. - */ - fn.dom_to_coords = function($widget) { - return { - 'col': parseInt($widget.attr('data-col'), 10), - 'row': parseInt($widget.attr('data-row'), 10), - 'size_x': parseInt($widget.attr('data-sizex'), 10) || 1, - 'size_y': parseInt($widget.attr('data-sizey'), 10) || 1, - 'max_size_x': parseInt($widget.attr('data-max-sizex'), 10) || false, - 'max_size_y': parseInt($widget.attr('data-max-sizey'), 10) || false, - 'min_size_x': parseInt($widget.attr('data-min-sizex'), 10) || false, - 'min_size_y': parseInt($widget.attr('data-min-sizey'), 10) || false, - 'el': $widget - }; - }; - - - /** - * Creates the grid coords object representing the widget an add it to the - * mapped array of positions. - * - * @method register_widget - * @param {HTMLElement|Object} $el jQuery wrapped HTMLElement representing - * the widget, or an "widget grid data" Object with (col, row, el ...). - * @return {Boolean} Returns true if the widget final position is different - * than the original. - */ - fn.register_widget = function($el) { - var isDOM = $el instanceof jQuery; - var wgd = isDOM ? this.dom_to_coords($el) : $el; - var posChanged = false; - isDOM || ($el = wgd.el); - - var empty_upper_row = this.can_go_widget_up(wgd); - if (empty_upper_row) { - wgd.row = empty_upper_row; - $el.attr('data-row', empty_upper_row); - this.$el.trigger('gridster:positionchanged', [wgd]); - posChanged = true; - } - - if (this.options.avoid_overlapped_widgets && - !this.can_move_to( - {size_x: wgd.size_x, size_y: wgd.size_y}, wgd.col, wgd.row) - ) { - $.extend(wgd, this.next_position(wgd.size_x, wgd.size_y)); - $el.attr({ - 'data-col': wgd.col, - 'data-row': wgd.row, - 'data-sizex': wgd.size_x, - 'data-sizey': wgd.size_y - }); - posChanged = true; - } - - // attach Coord object to player data-coord attribute - $el.data('coords', $el.coords()); - // Extend Coord object with grid position info - $el.data('coords').grid = wgd; - - this.add_to_gridmap(wgd, $el); - - this.options.resize.enabled && this.add_resize_handle($el); - this.options.header.enabled && this.add_header_handle($el); - - return posChanged; - }; - - - /** - * Update in the mapped array of positions the value of cells represented by - * the grid coords object passed in the `grid_data` param. - * - * @param {Object} grid_data The grid coords object representing the cells - * to update in the mapped array. - * @param {HTMLElement|Boolean} value Pass `false` or the jQuery wrapped - * HTMLElement, depends if you want to delete an existing position or add - * a new one. - * @method update_widget_position - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.update_widget_position = function(grid_data, value) { - this.for_each_cell_occupied(grid_data, function(col, row) { - if (!this.gridmap[col]) { return this; } - this.gridmap[col][row] = value; - }); - return this; - }; - - - /** - * Remove a widget from the mapped array of positions. - * - * @method remove_from_gridmap - * @param {Object} grid_data The grid coords object representing the cells - * to update in the mapped array. - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.remove_from_gridmap = function(grid_data) { - return this.update_widget_position(grid_data, false); - }; - - - /** - * Add a widget to the mapped array of positions. - * - * @method add_to_gridmap - * @param {Object} grid_data The grid coords object representing the cells - * to update in the mapped array. - * @param {HTMLElement|Boolean} value The value to set in the specified - * position . - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.add_to_gridmap = function(grid_data, value) { - this.update_widget_position(grid_data, value || grid_data.el); - - if (grid_data.el) { - var $widgets = this.widgets_below(grid_data.el); - $widgets.each($.proxy(function(i, widget) { - this.move_widget_up( $(widget)); - }, this)); - } - }; - - - /** - * Make widgets draggable. - * - * @uses Draggable - * @method draggable - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.draggable = function() { - var self = this; - var draggable_options = $.extend(true, {}, this.options.draggable, { - offset_left: this.options.widget_margins[0], - offset_top: this.options.widget_margins[1], - container_width: this.cols * this.min_widget_width, - limit: true, - start: function(event, ui) { - self.$widgets.filter('.player-revert') - .removeClass('player-revert'); - - self.$player = $(this); - self.$helper = $(ui.$helper); - - self.helper = !self.$helper.is(self.$player); - - self.on_start_drag.call(self, event, ui); - self.$el.trigger('gridster:dragstart'); - }, - stop: function(event, ui) { - self.on_stop_drag.call(self, event, ui); - self.$el.trigger('gridster:dragstop'); - }, - drag: throttle(function(event, ui) { - self.on_drag.call(self, event, ui); - self.$el.trigger('gridster:drag'); - }, 60) - }); - - this.drag_api = this.$el.drag(draggable_options); - return this; - }; - - - /** - * Bind resize events to get resize working. - * - * @method resizable - * @return {Class} Returns instance of gridster Class. - */ - fn.resizable = function() { - this.resize_api = this.$el.drag({ - items: '.' + this.options.resize.handle_class, - offset_left: this.options.widget_margins[0], - container_width: this.container_width, - move_element: false, - resize: true, - limit: this.options.autogrow_cols ? false : true, - start: $.proxy(this.on_start_resize, this), - stop: $.proxy(function(event, ui) { - delay($.proxy(function() { - this.on_stop_resize(event, ui); - }, this), 120); - }, this), - drag: throttle($.proxy(this.on_resize, this), 60) - }); - - return this; - }; - - - /** - * Setup things required for resizing. Like build templates for drag handles. - * - * @method setup_resize - * @return {Class} Returns instance of gridster Class. - */ - fn.setup_resize = function() { - this.resize_handle_class = this.options.resize.handle_class; - var axes = this.options.resize.axes; - var handle_tpl = '<span class="' + this.resize_handle_class + ' ' + - this.resize_handle_class + '-{type}" />'; - - this.resize_handle_tpl = $.map(axes, function(type) { - return handle_tpl.replace('{type}', type); - }).join(''); - - if ($.isArray(this.options.draggable.ignore_dragging)) { - this.options.draggable.ignore_dragging.push( - '.' + this.resize_handle_class); - } - - return this; - }; - - - /** - * Setup header required for dragging, zoom, and close handles. - * - * @method setup_header - * @return {Class} Returns instance of gridster Class. - */ - fn.setup_header = function() { - this.header_handle_class = this.options.header.handle_class; - var axes = this.options.header.axes; - var handle_tpl = '<header class="gs-header">'+ - '<span class="gs-icon gs-close-handle" onClick="remove_widget(this);"></span>' + - '<span class="gs-icon gs-zoom-handle" onClick="zoom_widget(this);"></span>' + - '</header><div class="overlay_fix"/>'; - - this.header_handle_tpl = $.map(axes, function(type) { - return handle_tpl; - }).join(''); - - return this; - }; - - /** - * This function is executed when the player begins to be dragged. - * - * @method on_start_drag - * @param {Event} event The original browser event - * @param {Object} ui A prepared ui object with useful drag-related data - */ - fn.on_start_drag = function(event, ui) { - this.$helper.add(this.$player).add(this.$wrapper).addClass('dragging'); - - this.highest_col = this.get_highest_occupied_cell().col; - - this.$player.addClass('player'); - this.player_grid_data = this.$player.coords().grid; - this.placeholder_grid_data = $.extend({}, this.player_grid_data); - - this.set_dom_grid_height(this.$el.height() + - (this.player_grid_data.size_y * this.min_widget_height)); - - this.set_dom_grid_width(this.cols); - - var pgd_sizex = this.player_grid_data.size_x; - var cols_diff = this.cols - this.highest_col; - - if (this.options.autogrow_cols && cols_diff <= pgd_sizex) { - this.add_faux_cols(Math.min(pgd_sizex - cols_diff, 1)); - } - - var colliders = this.faux_grid; - var coords = this.$player.data('coords').coords; - - this.cells_occupied_by_player = this.get_cells_occupied( - this.player_grid_data); - this.cells_occupied_by_placeholder = this.get_cells_occupied( - this.placeholder_grid_data); - - this.last_cols = []; - this.last_rows = []; - - // see jquery.collision.js - this.collision_api = this.$helper.collision( - colliders, this.options.collision); - - this.$preview_holder = $('<' + this.$player.get(0).tagName + ' />', { - 'class': 'preview-holder', - 'data-row': this.$player.attr('data-row'), - 'data-col': this.$player.attr('data-col'), - css: { - width: coords.width, - height: coords.height - } - }).appendTo(this.$el); - - if (this.options.draggable.start) { - this.options.draggable.start.call(this, event, ui); - } - }; - - - /** - * This function is executed when the player is being dragged. - * - * @method on_drag - * @param {Event} event The original browser event - * @param {Object} ui A prepared ui object with useful drag-related data - */ - fn.on_drag = function(event, ui) { - //break if dragstop has been fired - if (this.$player === null) { - return false; - } - - var abs_offset = { - left: ui.position.left + this.baseX, - top: ui.position.top + this.baseY - }; - - // auto grow cols - if (this.options.autogrow_cols) { - var prcol = this.placeholder_grid_data.col + - this.placeholder_grid_data.size_x - 1; - - // "- 1" due to adding at least 1 column in on_start_drag - if (prcol >= this.cols - 1 && this.options.max_cols >= this.cols + 1) { - this.add_faux_cols(1); - this.set_dom_grid_width(this.cols + 1); - this.drag_api.set_limits(this.container_width); - } - - this.collision_api.set_colliders(this.faux_grid); - } - - this.colliders_data = this.collision_api.get_closest_colliders( - abs_offset); - - this.on_overlapped_column_change( - this.on_start_overlapping_column, this.on_stop_overlapping_column); - - this.on_overlapped_row_change( - this.on_start_overlapping_row, this.on_stop_overlapping_row); - - - if (this.helper && this.$player) { - this.$player.css({ - 'left': ui.position.left, - 'top': ui.position.top - }); - } - - if (this.options.draggable.drag) { - this.options.draggable.drag.call(this, event, ui); - } - }; - - - /** - * This function is executed when the player stops being dragged. - * - * @method on_stop_drag - * @param {Event} event The original browser event - * @param {Object} ui A prepared ui object with useful drag-related data - */ - fn.on_stop_drag = function(event, ui) { - this.$helper.add(this.$player).add(this.$wrapper) - .removeClass('dragging'); - - ui.position.left = ui.position.left + this.baseX; - ui.position.top = ui.position.top + this.baseY; - this.colliders_data = this.collision_api.get_closest_colliders( - ui.position); - - this.on_overlapped_column_change( - this.on_start_overlapping_column, - this.on_stop_overlapping_column - ); - - this.on_overlapped_row_change( - this.on_start_overlapping_row, - this.on_stop_overlapping_row - ); - - this.$player.addClass('player-revert').removeClass('player') - .attr({ - 'data-col': this.placeholder_grid_data.col, - 'data-row': this.placeholder_grid_data.row - }).css({ - 'left': '', - 'top': '' - }); - - this.$changed = this.$changed.add(this.$player); - - this.cells_occupied_by_player = this.get_cells_occupied( - this.placeholder_grid_data); - this.set_cells_player_occupies( - this.placeholder_grid_data.col, this.placeholder_grid_data.row); - - this.$player.coords().grid.row = this.placeholder_grid_data.row; - this.$player.coords().grid.col = this.placeholder_grid_data.col; - - if (this.options.draggable.stop) { - this.options.draggable.stop.call(this, event, ui); - } - - this.$preview_holder.remove(); - - this.$player = null; - this.$helper = null; - this.placeholder_grid_data = {}; - this.player_grid_data = {}; - this.cells_occupied_by_placeholder = {}; - this.cells_occupied_by_player = {}; - - this.set_dom_grid_height(); - this.set_dom_grid_width(); - - if (this.options.autogrow_cols) { - this.drag_api.set_limits(this.cols * this.min_widget_width); - } - }; - - - /** - * This function is executed every time a widget starts to be resized. - * - * @method on_start_resize - * @param {Event} event The original browser event - * @param {Object} ui A prepared ui object with useful drag-related data - */ - fn.on_start_resize = function(event, ui) { - this.$resized_widget = ui.$player.closest('.gs-w'); - this.resize_coords = this.$resized_widget.coords(); - this.resize_wgd = this.resize_coords.grid; - this.resize_initial_width = this.resize_coords.coords.width; - this.resize_initial_height = this.resize_coords.coords.height; - this.resize_initial_sizex = this.resize_coords.grid.size_x; - this.resize_initial_sizey = this.resize_coords.grid.size_y; - this.resize_initial_col = this.resize_coords.grid.col; - this.resize_last_sizex = this.resize_initial_sizex; - this.resize_last_sizey = this.resize_initial_sizey; - - this.resize_max_size_x = Math.min(this.resize_wgd.max_size_x || - this.options.resize.max_size[0], - this.options.max_cols - this.resize_initial_col + 1); - this.resize_max_size_y = this.resize_wgd.max_size_y || - this.options.resize.max_size[1]; - - this.resize_min_size_x = (this.resize_wgd.min_size_x || - this.options.resize.min_size[0] || 1); - this.resize_min_size_y = (this.resize_wgd.min_size_y || - this.options.resize.min_size[1] || 1); - - this.resize_initial_last_col = this.get_highest_occupied_cell().col; - - this.set_dom_grid_width(this.cols); - - this.resize_dir = { - right: ui.$player.is('.' + this.resize_handle_class + '-x'), - bottom: ui.$player.is('.' + this.resize_handle_class + '-y') - }; - - this.$resized_widget.css({ - 'min-width': this.options.widget_base_dimensions[0], - 'min-height': this.options.widget_base_dimensions[1] - }); - - var nodeName = this.$resized_widget.get(0).tagName; - this.$resize_preview_holder = $('<' + nodeName + ' />', { - 'class': 'preview-holder resize-preview-holder', - 'data-row': this.$resized_widget.attr('data-row'), - 'data-col': this.$resized_widget.attr('data-col'), - 'css': { - 'width': this.resize_initial_width, - 'height': this.resize_initial_height - } - }).appendTo(this.$el); - - this.$resized_widget.addClass('resizing'); - - if (this.options.resize.start) { - this.options.resize.start.call(this, event, ui, this.$resized_widget); - } - - this.$el.trigger('gridster:resizestart'); - }; - - - /** - * This function is executed every time a widget stops being resized. - * - * @method on_stop_resize - * @param {Event} event The original browser event - * @param {Object} ui A prepared ui object with useful drag-related data - */ - fn.on_stop_resize = function(event, ui) { - this.$resized_widget - .removeClass('resizing') - .css({ - 'width': '', - 'height': '' - }); - - delay($.proxy(function() { - this.$resize_preview_holder - .remove() - .css({ - 'min-width': '', - 'min-height': '' - }); - - if (this.options.resize.stop) { - this.options.resize.stop.call(this, event, ui, this.$resized_widget); - } - - this.$el.trigger('gridster:resizestop'); - }, this), 300); - - this.set_dom_grid_width(); - - if (this.options.autogrow_cols) { - this.drag_api.set_limits(this.cols * this.min_widget_width); - } - }; - - - /** - * This function is executed when a widget is being resized. - * - * @method on_resize - * @param {Event} event The original browser event - * @param {Object} ui A prepared ui object with useful drag-related data - */ - fn.on_resize = function(event, ui) { - var rel_x = (ui.pointer.diff_left); - var rel_y = (ui.pointer.diff_top); - var wbd_x = this.options.widget_base_dimensions[0]; - var wbd_y = this.options.widget_base_dimensions[1]; - var margin_x = this.options.widget_margins[0]; - var margin_y = this.options.widget_margins[1]; - var max_size_x = this.resize_max_size_x; - var min_size_x = this.resize_min_size_x; - var max_size_y = this.resize_max_size_y; - var min_size_y = this.resize_min_size_y; - var autogrow = this.options.autogrow_cols; - var width; - var max_width = Infinity; - var max_height = Infinity; - - var inc_units_x = Math.ceil((rel_x / (wbd_x + margin_x * 2)) - 0.2); - var inc_units_y = Math.ceil((rel_y / (wbd_y + margin_y * 2)) - 0.2); - - var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x); - var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y); - - var max_cols = (this.container_width / this.min_widget_width) - - this.resize_initial_col + 1; - var limit_width = ((max_cols * this.min_widget_width) - margin_x * 2); - - size_x = Math.max(Math.min(size_x, max_size_x), min_size_x); - size_x = Math.min(max_cols, size_x); - width = (max_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); - max_width = Math.min(width, limit_width); - min_width = (min_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); - - size_y = Math.max(Math.min(size_y, max_size_y), min_size_y); - max_height = (max_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); - min_height = (min_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); - - if (this.resize_dir.right) { - size_y = this.resize_initial_sizey; - } else if (this.resize_dir.bottom) { - size_x = this.resize_initial_sizex; - } - - if (autogrow) { - var last_widget_col = this.resize_initial_col + size_x - 1; - if (autogrow && this.resize_initial_last_col <= last_widget_col) { - this.set_dom_grid_width(Math.max(last_widget_col + 1, this.cols)); - - if (this.cols < last_widget_col) { - this.add_faux_cols(last_widget_col - this.cols); - } - } - } - - var css_props = {}; - !this.resize_dir.bottom && (css_props.width = Math.max(Math.min( - this.resize_initial_width + rel_x, max_width), min_width)); - !this.resize_dir.right && (css_props.height = Math.max(Math.min( - this.resize_initial_height + rel_y, max_height), min_height)); - - this.$resized_widget.css(css_props); - - if (size_x !== this.resize_last_sizex || - size_y !== this.resize_last_sizey) { - - this.resize_widget(this.$resized_widget, size_x, size_y); - this.set_dom_grid_width(this.cols); - - this.$resize_preview_holder.css({ - 'width': '', - 'height': '' - }).attr({ - 'data-row': this.$resized_widget.attr('data-row'), - 'data-sizex': size_x, - 'data-sizey': size_y - }); - } - - if (this.options.resize.resize) { - this.options.resize.resize.call(this, event, ui, this.$resized_widget); - } - - this.$el.trigger('gridster:resize'); - - this.resize_last_sizex = size_x; - this.resize_last_sizey = size_y; - }; - - - /** - * Executes the callbacks passed as arguments when a column begins to be - * overlapped or stops being overlapped. - * - * @param {Function} start_callback Function executed when a new column - * begins to be overlapped. The column is passed as first argument. - * @param {Function} stop_callback Function executed when a column stops - * being overlapped. The column is passed as first argument. - * @method on_overlapped_column_change - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.on_overlapped_column_change = function(start_callback, stop_callback) { - if (!this.colliders_data.length) { - return this; - } - var cols = this.get_targeted_columns( - this.colliders_data[0].el.data.col); - - var last_n_cols = this.last_cols.length; - var n_cols = cols.length; - var i; - - for (i = 0; i < n_cols; i++) { - if ($.inArray(cols[i], this.last_cols) === -1) { - (start_callback || $.noop).call(this, cols[i]); - } - } - - for (i = 0; i< last_n_cols; i++) { - if ($.inArray(this.last_cols[i], cols) === -1) { - (stop_callback || $.noop).call(this, this.last_cols[i]); - } - } - - this.last_cols = cols; - - return this; - }; - - - /** - * Executes the callbacks passed as arguments when a row starts to be - * overlapped or stops being overlapped. - * - * @param {Function} start_callback Function executed when a new row begins - * to be overlapped. The row is passed as first argument. - * @param {Function} end_callback Function executed when a row stops being - * overlapped. The row is passed as first argument. - * @method on_overlapped_row_change - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.on_overlapped_row_change = function(start_callback, end_callback) { - if (!this.colliders_data.length) { - return this; - } - var rows = this.get_targeted_rows(this.colliders_data[0].el.data.row); - var last_n_rows = this.last_rows.length; - var n_rows = rows.length; - var i; - - for (i = 0; i < n_rows; i++) { - if ($.inArray(rows[i], this.last_rows) === -1) { - (start_callback || $.noop).call(this, rows[i]); - } - } - - for (i = 0; i < last_n_rows; i++) { - if ($.inArray(this.last_rows[i], rows) === -1) { - (end_callback || $.noop).call(this, this.last_rows[i]); - } - } - - this.last_rows = rows; - }; - - - /** - * Sets the current position of the player - * - * @param {Number} col - * @param {Number} row - * @param {Boolean} no_player - * @method set_player - * @return {object} - */ - fn.set_player = function(col, row, no_player) { - var self = this; - if (!no_player) { - this.empty_cells_player_occupies(); - } - var cell = !no_player ? self.colliders_data[0].el.data : {col: col}; - var to_col = cell.col; - var to_row = row || cell.row; - - this.player_grid_data = { - col: to_col, - row: to_row, - size_y : this.player_grid_data.size_y, - size_x : this.player_grid_data.size_x - }; - - this.cells_occupied_by_player = this.get_cells_occupied( - this.player_grid_data); - - var $overlapped_widgets = this.get_widgets_overlapped( - this.player_grid_data); - - var constraints = this.widgets_constraints($overlapped_widgets); - - this.manage_movements(constraints.can_go_up, to_col, to_row); - this.manage_movements(constraints.can_not_go_up, to_col, to_row); - - /* if there is not widgets overlapping in the new player position, - * update the new placeholder position. */ - if (!$overlapped_widgets.length) { - var pp = this.can_go_player_up(this.player_grid_data); - if (pp !== false) { - to_row = pp; - } - this.set_placeholder(to_col, to_row); - } - - return { - col: to_col, - row: to_row - }; - }; - - - /** - * See which of the widgets in the $widgets param collection can go to - * a upper row and which not. - * - * @method widgets_contraints - * @param {jQuery} $widgets A jQuery wrapped collection of - * HTMLElements. - * @return {object} Returns a literal Object with two keys: `can_go_up` & - * `can_not_go_up`. Each contains a set of HTMLElements. - */ - fn.widgets_constraints = function($widgets) { - var $widgets_can_go_up = $([]); - var $widgets_can_not_go_up; - var wgd_can_go_up = []; - var wgd_can_not_go_up = []; - - $widgets.each($.proxy(function(i, w) { - var $w = $(w); - var wgd = $w.coords().grid; - if (this.can_go_widget_up(wgd)) { - $widgets_can_go_up = $widgets_can_go_up.add($w); - wgd_can_go_up.push(wgd); - } else { - wgd_can_not_go_up.push(wgd); - } - }, this)); - - $widgets_can_not_go_up = $widgets.not($widgets_can_go_up); - - return { - can_go_up: Gridster.sort_by_row_asc(wgd_can_go_up), - can_not_go_up: Gridster.sort_by_row_desc(wgd_can_not_go_up) - }; - }; - - - /** - * Sorts an Array of grid coords objects (representing the grid coords of - * each widget) in descending way. - * - * @method manage_movements - * @param {jQuery} $widgets A jQuery collection of HTMLElements - * representing the widgets you want to move. - * @param {Number} to_col The column to which we want to move the widgets. - * @param {Number} to_row The row to which we want to move the widgets. - * @return {Class} Returns the instance of the Gridster Class. - */ - fn.manage_movements = function($widgets, to_col, to_row) { - $.each($widgets, $.proxy(function(i, w) { - var wgd = w; - var $w = wgd.el; - - var can_go_widget_up = this.can_go_widget_up(wgd); - - if (can_go_widget_up) { - //target CAN go up - //so move widget up - this.move_widget_to($w, can_go_widget_up); - this.set_placeholder(to_col, can_go_widget_up + wgd.size_y); - - } else { - //target can't go up - var can_go_player_up = this.can_go_player_up( - this.player_grid_data); - - if (!can_go_player_up) { - // target can't go up - // player cant't go up - // so we need to move widget down to a position that dont - // overlaps player - var y = (to_row + this.player_grid_data.size_y) - wgd.row; - - this.move_widget_down($w, y); - this.set_placeholder(to_col, to_row); - } - } - }, this)); - - return this; - }; - - /** - * Determines if there is a widget in the row and col given. Or if the - * HTMLElement passed as first argument is the player. - * - * @method is_player - * @param {Number|HTMLElement} col_or_el A jQuery wrapped collection of - * HTMLElements. - * @param {Number} [row] The column to which we want to move the widgets. - * @return {Boolean} Returns true or false. - */ - fn.is_player = function(col_or_el, row) { - if (row && !this.gridmap[col_or_el]) { return false; } - var $w = row ? this.gridmap[col_or_el][row] : col_or_el; - return $w && ($w.is(this.$player) || $w.is(this.$helper)); - }; - - - /** - * Determines if the widget that is being dragged is currently over the row - * and col given. - * - * @method is_player_in - * @param {Number} col The column to check. - * @param {Number} row The row to check. - * @return {Boolean} Returns true or false. - */ - fn.is_player_in = function(col, row) { - var c = this.cells_occupied_by_player || {}; - return $.inArray(col, c.cols) >= 0 && $.inArray(row, c.rows) >= 0; - }; - - - /** - * Determines if the placeholder is currently over the row and col given. - * - * @method is_placeholder_in - * @param {Number} col The column to check. - * @param {Number} row The row to check. - * @return {Boolean} Returns true or false. - */ - fn.is_placeholder_in = function(col, row) { - var c = this.cells_occupied_by_placeholder || {}; - return this.is_placeholder_in_col(col) && $.inArray(row, c.rows) >= 0; - }; - - - /** - * Determines if the placeholder is currently over the column given. - * - * @method is_placeholder_in_col - * @param {Number} col The column to check. - * @return {Boolean} Returns true or false. - */ - fn.is_placeholder_in_col = function(col) { - var c = this.cells_occupied_by_placeholder || []; - return $.inArray(col, c.cols) >= 0; - }; - - - /** - * Determines if the cell represented by col and row params is empty. - * - * @method is_empty - * @param {Number} col The column to check. - * @param {Number} row The row to check. - * @return {Boolean} Returns true or false. - */ - fn.is_empty = function(col, row) { - if (typeof this.gridmap[col] !== 'undefined') { - if(typeof this.gridmap[col][row] !== 'undefined' && - this.gridmap[col][row] === false - ) { - return true; - } - return false; - } - return true; - }; - - - /** - * Determines if the cell represented by col and row params is occupied. - * - * @method is_occupied - * @param {Number} col The column to check. - * @param {Number} row The row to check. - * @return {Boolean} Returns true or false. - */ - fn.is_occupied = function(col, row) { - if (!this.gridmap[col]) { - return false; - } - - if (this.gridmap[col][row]) { - return true; - } - return false; - }; - - - /** - * Determines if there is a widget in the cell represented by col/row params. - * - * @method is_widget - * @param {Number} col The column to check. - * @param {Number} row The row to check. - * @return {Boolean|HTMLElement} Returns false if there is no widget, - * else returns the jQuery HTMLElement - */ - fn.is_widget = function(col, row) { - var cell = this.gridmap[col]; - if (!cell) { - return false; - } - - cell = cell[row]; - - if (cell) { - return cell; - } - - return false; - }; - - - /** - * Determines if there is a widget in the cell represented by col/row - * params and if this is under the widget that is being dragged. - * - * @method is_widget_under_player - * @param {Number} col The column to check. - * @param {Number} row The row to check. - * @return {Boolean} Returns true or false. - */ - fn.is_widget_under_player = function(col, row) { - if (this.is_widget(col, row)) { - return this.is_player_in(col, row); - } - return false; - }; - - - /** - * Get widgets overlapping with the player or with the object passed - * representing the grid cells. - * - * @method get_widgets_under_player - * @return {
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