it works. Thank you.
пятница, 28 ноября 2014 г., 21:44:22 UTC+3 пользователь Mark S. написал:
>
> I don't believe you can currently add things in TW5
>
> Here's a widget I put together in a few minutes based on an existing
> widget. Be sure to back up and save your data before using. There shouldn't
> be anything dangerous here since it doesn't modify the store ... but who
> knows?
>
> Use like
>
> *<$addup val1="20" val2="80" />*
>
> You can have up to 5 *valx* attributes
>
> To import this code into your own TW, just find an existing plugin (e.g.
> $:/core/modules/widgets/button.js),
> clone it, rename the clone to $:/core/modules/widgets/addup.js and
> replace the code with the code that follows or if that doesn't work, with
> the code in the attached file. Reload the TW to activate the plugin.
>
>
>
>
> /*\
> title: $:/core/modules/widgets/addup.js
> type: application/javascript
> module-type: widget
>
> Sum up to 5 variables widget
>
> \*/
> (function(){
>
> /*jslint node: true, browser: true */
> /*global $tw: false */
> "use strict";
>
> var Widget = require("$:/core/modules/widgets/widget.js").widget;
>
> var AddUpWidget = function(parseTreeNode,options) {
> this.initialise(parseTreeNode,options);
> };
>
> /*
> Inherit from the base widget class
> */
> AddUpWidget.prototype = new Widget();
>
> /*
> Render this widget into the DOM
> */
> AddUpWidget.prototype.render = function(parent,nextSibling) {
> this.parentDomNode = parent;
> this.computeAttributes();
> this.execute();
> var textNode = this.document.createTextNode(this.currentSum);
> parent.insertBefore(textNode,nextSibling);
> this.domNodes.push(textNode);
> };
>
> /*
> Compute the internal state of the widget
> */
> AddUpWidget.prototype.execute = function() {
> // Get parameters from our attributes
> //this.filter = this.getAttribute("filter");
> this.val1 = this.getAttribute("val1","0") ;
> this.val2 = this.getAttribute("val2","0") ;
> this.val3 = this.getAttribute("val3","0") ;
> this.val4 = this.getAttribute("val4","0") ;
> this.val5 = this.getAttribute("val5","0") ;
>
> // Execute the math
> this.currentSum=
> Number(this.val1)+Number(this.val2)+Number(this.val3)+
> Number(this.val4)+Number(this.val5) ;
>
>
> };
>
> /*
> Selectively refreshes the widget if needed. Returns true if the widget or
> any of its children needed re-rendering
> */
> AddUpWidget.prototype.refresh = function(changedTiddlers) {
> // Re-execute the filter to get the count
> this.computeAttributes();
> var oldCount = this.currentSum;
> this.execute();
> if(this.currentSum !== oldCount) {
> // Regenerate and rerender the widget and replace the existing DOM
> node
> this.refreshSelf();
> return true;
> } else {
> return false;
> }
>
> };
>
> exports.addup = AddUpWidget;
>
> })();
>
>
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