Author: mes
Date: 2010-12-06 14:28:46 -0800 (Mon, 06 Dec 2010)
New Revision: 23101
Added:
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/ButtonDelegator.java
Modified:
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/InnerCanvas.java
Log:
further mouse handling refactoring
Added:
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/ButtonDelegator.java
===================================================================
---
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/ButtonDelegator.java
(rev 0)
+++
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/ButtonDelegator.java
2010-12-06 22:28:46 UTC (rev 23101)
@@ -0,0 +1,121 @@
+/*
+ Copyright (c) 2010, The Cytoscape Consortium (www.cytoscape.org)
+
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License, or
+ any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY, WITHOUT EVEN THE IMPLIED WARRANTY OF
+ MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. The software and
+ documentation provided hereunder is on an "as is" basis, and the
+ Institute for Systems Biology and the Whitehead Institute
+ have no obligations to provide maintenance, support,
+ updates, enhancements or modifications. In no event shall the
+ Institute for Systems Biology and the Whitehead Institute
+ be liable to any party for direct, indirect, special,
+ incidental or consequential damages, including lost profits, arising
+ out of the use of this software and its documentation, even if the
+ Institute for Systems Biology and the Whitehead Institute
+ have been advised of the possibility of such damage. See
+ the GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+*/
+package org.cytoscape.ding.impl;
+
+
+import java.awt.event.MouseEvent;
+
+/**
+ * The purpose of this class is to capture the button processing logic in a
single
+ * place so that it can be used consistently for different mouse events. This
+ * class also captures the logic for converting one-button Mac MouseEvents
into
+ * expected method calls. To handle a particular type of button click, just
+ * extend this class and implement the method that best describes the click
you're
+ * interested in.
+ */
+class ButtonDelegator {
+
+ private static final String MAC_OS_ID = "mac";
+ private final boolean isMacPlatform;
+
+ ButtonDelegator() {
+ String os = System.getProperty("os.name");
+ isMacPlatform = os.regionMatches(true, 0, MAC_OS_ID, 0,
MAC_OS_ID.length());
+ }
+
+ final void delegateMouseEvent(MouseEvent e) {
+ //System.out.println("delegating mouse event: " +
getMouseEventString(e));
+ // single click or release (i.e. no clicks)
+ if ( e.getClickCount() <= 1 ) {
+ if ( isLeftClick(e) ) {
+ if ( e.isControlDown() ) {
+ singleLeftControlClick(e);
+ } else {
+ singleLeftClick(e);
+ }
+ } else if ( isMiddleClick(e) ) {
+ singleMiddleClick(e);
+ } else if ( isRightClick(e) ) {
+ singleRightClick(e);
+ }
+ // double click
+ } else if ( e.getClickCount() == 2 ) {
+ if ( isLeftClick(e) ) {
+ doubleLeftClick(e);
+ }
+ }
+ }
+
+ void singleLeftClick(MouseEvent e) {};
+ void singleLeftControlClick(MouseEvent e) {};
+ void singleMiddleClick(MouseEvent e) {};
+ void singleRightClick(MouseEvent e) {};
+ void doubleLeftClick(MouseEvent e) {};
+
+ private boolean isLeftClick(MouseEvent e) {
+ boolean b1 = (e.getButton() == MouseEvent.BUTTON1);
+ if ( isMacPlatform ) {
+ return (!e.isMetaDown() && !e.isAltDown() && b1);
+ }
+ return b1;
+ }
+
+ private boolean isRightClick(MouseEvent e) {
+ boolean b3 = (e.getButton() == MouseEvent.BUTTON3);
+ if ( !b3 && isMacPlatform ) {
+ // meta - left click
+ return (e.isMetaDown() && !e.isAltDown() &&
(e.getButton() == MouseEvent.BUTTON1));
+ }
+ return b3;
+ }
+
+ private boolean isMiddleClick(MouseEvent e) {
+ boolean b2 = (e.getButton() == MouseEvent.BUTTON2);
+ if ( !b2 && isMacPlatform ) {
+ // alt - left click
+ return (!e.isMetaDown() && e.isAltDown() &&
(e.getButton() == MouseEvent.BUTTON1));
+ }
+ return b2;
+ }
+
+ private String getMouseEventString(MouseEvent e) {
+ return "button (x " + e.getClickCount() + "): " + e.getButton() + " ["
+ + (e.isControlDown() ? "ctrl " : "")
+ + (e.isShiftDown() ? "shft " : "")
+ + (e.isAltDown() ? "alt " : "")
+ + (e.isMetaDown() ? "meta " : "")
+ + (e.isAltGraphDown() ? "grph " : "")
+ + "{"
+ + MouseEvent.getMouseModifiersText(e.getModifiers())
+ + "}"
+ + (Integer.toBinaryString(e.getModifiers()) )
+ + " "
+ + (Integer.toBinaryString(e.getModifiersEx()) )
+ + "]";
+ }
+}
Modified:
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/InnerCanvas.java
===================================================================
---
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/InnerCanvas.java
2010-12-06 21:58:48 UTC (rev 23100)
+++
core3/ding-presentation-impl/trunk/src/main/java/org/cytoscape/ding/impl/InnerCanvas.java
2010-12-06 22:28:46 UTC (rev 23101)
@@ -138,7 +138,9 @@
private int m_lastYMousePos = 0;
private boolean m_button1NodeDrag = false;
- private final boolean isMacPlatform;
+ private final MousePressedDelegator mousePressedDelegator;
+ private final MouseReleasedDelegator mouseReleasedDelegator;
+ private final MouseDraggedDelegator mouseDraggedDelegator;
InnerCanvas(Object lock, DGraphView view, UndoSupport undo) {
super();
@@ -161,8 +163,9 @@
dropTarget = new DropTarget(this, DnDConstants.ACTION_COPY,
this);
popup = new PopupMenuHelper(m_view, this);
- String os = System.getProperty("os.name");
- isMacPlatform = os.regionMatches(true, 0, MAC_OS_ID, 0,
MAC_OS_ID.length());
+ mousePressedDelegator = new MousePressedDelegator();
+ mouseReleasedDelegator = new MouseReleasedDelegator();
+ mouseDraggedDelegator = new MouseDraggedDelegator();
}
/**
@@ -302,30 +305,8 @@
// MouseMotionListener
//
- private String getMouseEventString(MouseEvent e) {
- return "MouseEvent: button (x " + e.getClickCount() + "): " +
e.getButton() + " ["
- + (e.isControlDown() ? "ctrl " : "")
- + (e.isShiftDown() ? "shft " : "")
- + (e.isAltDown() ? "alt " : "")
- + (e.isMetaDown() ? "meta " : "")
- + (e.isAltGraphDown() ? "grph " : "")
- + "{"
- + MouseEvent.getMouseModifiersText(e.getModifiers())
- + "}"
- + (Integer.toBinaryString(e.getModifiers()) )
- + " "
- + (Integer.toBinaryString(e.getModifiersEx()) )
- + "]";
- }
public void mouseDragged(MouseEvent e) {
- System.out.println("mouseDragged: " + getMouseEventString(e));
- if (m_currMouseButton == 1) {
- processLeftDrag(e);
- } else if (m_currMouseButton == 2) {
- processMiddleDrag(e);
- } else if (m_currMouseButton == 3) {
- processRightDrag(e);
- }
+ mouseDraggedDelegator.delegateMouseEvent(e);
}
public void mouseMoved(MouseEvent e) {
@@ -343,69 +324,15 @@
public void mouseExited(MouseEvent e) { }
public void mouseReleased(MouseEvent e) {
- System.out.println("mouseReleased: " + getMouseEventString(e));
- if (e.getButton() == MouseEvent.BUTTON1) {
- finishLeftClick(e);
- } else if (e.getButton() == MouseEvent.BUTTON2) {
- finishMiddleClick(e);
- } else if (e.getButton() == MouseEvent.BUTTON3) {
- finishRightClick(e);
- }
+ mouseReleasedDelegator.delegateMouseEvent(e);
}
public void mousePressed(MouseEvent e) {
- System.out.println("mousePressed: " + getMouseEventString(e));
- // single-click
- if ( e.getClickCount() == 1 ) {
- if ( isLeftClick(e) ) {
- if ( e.isControlDown() ) {
- startSingleControlClick(e);
- } else {
- startSingleLeftClick(e);
- }
- } else if ( isMiddleClick(e) ) {
- startSingleMiddleClick(e);
- } else if ( isRightClick(e) ) {
- startSingleRightClick(e);
- }
-
- // double click
- } else if ( e.getClickCount() == 2 ) {
- if ( isLeftClick(e) ) {
- startDoubleLeftClick(e);
- }
- }
-
+ mousePressedDelegator.delegateMouseEvent(e);
requestFocusInWindow();
}
- private boolean isLeftClick(MouseEvent e) {
- boolean b1 = (e.getButton() == MouseEvent.BUTTON1);
- if ( isMacPlatform ) {
- return (!e.isMetaDown() && !e.isAltDown() && b1);
- }
- return b1;
- }
- private boolean isRightClick(MouseEvent e) {
- boolean b3 = (e.getButton() == MouseEvent.BUTTON3);
- if ( !b3 && isMacPlatform ) {
- // meta - left click
- return (e.isMetaDown() && !e.isAltDown() &&
(e.getButton() == MouseEvent.BUTTON1));
- }
- return b3;
- }
-
- private boolean isMiddleClick(MouseEvent e) {
- boolean b2 = (e.getButton() == MouseEvent.BUTTON2);
- if ( !b2 && isMacPlatform ) {
- // alt - left click
- return (!e.isMetaDown() && e.isAltDown() &&
(e.getButton() == MouseEvent.BUTTON1));
- }
- return b2;
- }
-
-
// KeyListener
/**
@@ -1028,323 +955,6 @@
}
}
- private void startSingleLeftClick(MouseEvent e) {
- System.out.println("----> startSingleLeftClick");
- m_undoable_edit = null;
-
- m_currMouseButton = 1;
- m_lastXMousePos = e.getX();
- m_lastYMousePos = e.getY();
-
- int[] unselectedNodes = null;
- int[] unselectedEdges = null;
- int chosenNode = 0;
- int chosenEdge = 0;
- int chosenAnchor = -1;
- int chosenNodeSelected = 0;
- int chosenEdgeSelected = 0;
-
- synchronized (m_lock) {
- if (m_view.m_nodeSelection) {
- chosenNode = getChosenNode();
- }
-
- if (m_view.m_edgeSelection && (chosenNode == 0)
- && ((m_lastRenderDetail &
GraphRenderer.LOD_EDGE_ANCHORS) != 0)) {
- chosenAnchor = getChosenAnchor();
- }
-
- if (m_view.m_edgeSelection && (chosenNode == 0) &&
(chosenAnchor < 0)) {
- chosenEdge = getChosenEdge();
- }
-
- if ((!e.isShiftDown()) // If shift is down never
unselect.
- && (((chosenNode == 0) && (chosenEdge == 0) &&
(chosenAnchor < 0)) // Mouse missed all.
- // Not [we hit something but it was already
selected].
- || !( ((chosenNode != 0) &&
m_view.getNodeView(chosenNode).isSelected())
- || (chosenAnchor >= 0)
- || ((chosenEdge != 0) &&
m_view.getEdgeView(chosenEdge).isSelected()) ))) {
-
- unselectedNodes = getUnselectedNodes();
- unselectedEdges = getUnselectedEdges();
-
- if ((unselectedNodes.length > 0) ||
(unselectedEdges.length > 0))
- m_view.m_contentChanged = true;
- }
-
-
- if (chosenNode != 0) {
- chosenNodeSelected = toggleSelectedNode(chosenNode,
e);
- }
-
- if (chosenAnchor >= 0) {
- toggleChosenAnchor(chosenAnchor, e);
- }
-
- if (chosenEdge != 0) {
- chosenEdgeSelected =
toggleSelectedEdge(chosenEdge, e);
- }
-
- if ((chosenNode == 0) && (chosenEdge == 0) &&
(chosenAnchor < 0)) {
- m_selectionRect = new
Rectangle(m_lastXMousePos, m_lastYMousePos, 0, 0);
- m_button1NodeDrag = false;
- }
- }
-
- final GraphViewChangeListener listener = m_view.m_lis[0];
-
- // delegating to listeners
- if (listener != null) {
- if ((unselectedNodes != null) &&
(unselectedNodes.length > 0))
- listener.graphViewChanged(new
GraphViewNodesUnselectedEvent(m_view,
-
DGraphView.makeNodeList(unselectedNodes,m_view)));
-
- if ((unselectedEdges != null) &&
(unselectedEdges.length > 0))
- listener.graphViewChanged(new
GraphViewEdgesUnselectedEvent(m_view,
-
DGraphView.makeEdgeList(unselectedEdges,m_view)));
-
- if (chosenNode != 0) {
- if (chosenNodeSelected > 0)
- listener.graphViewChanged(new
GraphViewNodesSelectedEvent(m_view,
-
DGraphView.makeList(m_view.getNodeView(chosenNode).getNode())));
- else if (chosenNodeSelected < 0)
- listener.graphViewChanged(new
GraphViewNodesUnselectedEvent(m_view,
-
DGraphView.makeList(m_view.getNodeView(chosenNode).getNode())));
- }
-
- if (chosenEdge != 0) {
- if (chosenEdgeSelected > 0)
- listener.graphViewChanged(new
GraphViewEdgesSelectedEvent(m_view,
-
DGraphView.makeList(m_view.getEdgeView(chosenEdge).getEdge())));
- else if (chosenEdgeSelected < 0)
- listener.graphViewChanged(new
GraphViewEdgesUnselectedEvent(m_view,
-
DGraphView.makeList(m_view.getEdgeView(chosenEdge).getEdge())));
- }
- }
-
- // Repaint after listener events are fired because listeners
may change
- // something in the graph view.
- repaint();
- }
-
- private void startSingleControlClick(MouseEvent e) {
- System.out.println("----> startSingleControlClick");
- // clicking on empty space
- if ((getChosenNode() == 0) && (getChosenEdge() == 0) &&
(getChosenAnchor() < 0)) {
- popup.createEmptySpaceMenu(e.getX(), e.getY(),"NEW");
- }
- }
-
- private void startSingleMiddleClick(MouseEvent e) {
- System.out.println("----> startSingleMiddleClick");
- // Save all node positions
- m_undoable_edit = new
ViewChangeEdit(m_view,ViewChangeEdit.SavedObjs.NODES,"Move",m_undo);
- m_currMouseButton = 2;
- m_lastXMousePos = e.getX();
- m_lastYMousePos = e.getY();
- }
-
-
- private void startSingleRightClick(MouseEvent e) {
- System.out.println("----> startSingleRightClick");
- // Save all node positions
- m_undoable_edit = new
ViewChangeEdit(m_view,ViewChangeEdit.SavedObjs.NODES,"Move",m_undo);
- m_currMouseButton = 3;
- m_lastXMousePos = e.getX();
- m_lastYMousePos = e.getY();
-
- NodeView nview = m_view.getPickedNodeView(e.getPoint());
- popup.createNodeViewMenu(nview,e.getX(),e.getY(),null);
-
- EdgeView edgeView = m_view.getPickedEdgeView(e.getPoint());
- popup.createEdgeViewMenu(edgeView,e.getX(),e.getY(),null);
- }
-
- private void startDoubleLeftClick(MouseEvent e) {
- System.out.println("----> startDoubleLeftClick");
- NodeView nview = m_view.getPickedNodeView(e.getPoint());
- if ( nview != null )
-
popup.createNodeViewMenu(nview,e.getX(),e.getY(),"OPEN");
- else
- popup.createEmptySpaceMenu(e.getX(), e.getY(),"OPEN");
- }
-
- private void finishLeftClick(MouseEvent e) {
- System.out.println("----> finishLeftClick");
- if (m_currMouseButton == 1) {
- m_currMouseButton = 0;
-
- if (m_selectionRect != null) {
- int[] selectedNodes = null;
- int[] selectedEdges = null;
-
- synchronized (m_lock) {
- if (m_view.m_nodeSelection ||
m_view.m_edgeSelection) {
- if (m_view.m_nodeSelection) {
- selectedNodes =
setSelectedNodes();
- }
-
- if (m_view.m_edgeSelection) {
- selectedEdges =
setSelectedEdges ();
- }
- }
- }
-
- m_selectionRect = null;
-
- final GraphViewChangeListener listener =
m_view.m_lis[0];
-
- if (listener != null) {
- if ((selectedNodes != null) &&
(selectedNodes.length > 0))
- listener.graphViewChanged(new
GraphViewNodesSelectedEvent(m_view,
-
DGraphView.makeNodeList(selectedNodes,m_view)));
-
- if ((selectedEdges != null) &&
(selectedEdges.length > 0))
- listener.graphViewChanged(new
GraphViewEdgesSelectedEvent(m_view,
-
DGraphView.makeEdgeList(selectedEdges,m_view)));
- }
-
- // Repaint after listener events are fired
because listeners may
- // change something in the graph view.
- repaint();
- }
- }
-
- if (m_undoable_edit != null)
- m_undoable_edit.post();
- }
-
- private void finishMiddleClick(MouseEvent e) {
- System.out.println("----> finishMiddleClick");
- if (m_currMouseButton == 2)
- m_currMouseButton = 0;
-
- if (m_undoable_edit != null)
- m_undoable_edit.post();
- }
-
- private void finishRightClick(MouseEvent e) {
- System.out.println("----> finishRightClick");
- if (m_currMouseButton == 3)
- m_currMouseButton = 0;
-
- if (m_undoable_edit != null)
- m_undoable_edit.post();
- }
-
- private void processLeftDrag(MouseEvent e) {
- System.out.println("----> processLeftDrag");
- if (m_button1NodeDrag) {
- // save selected node and edge positions
- if (m_undoable_edit == null) {
- m_undoable_edit = new ViewChangeEdit(m_view,
ViewChangeEdit.SavedObjs.SELECTED, "Move",m_undo);
- }
- synchronized (m_lock) {
- m_ptBuff[0] = m_lastXMousePos;
- m_ptBuff[1] = m_lastYMousePos;
- m_view.xformComponentToNodeCoords(m_ptBuff);
-
- final double oldX = m_ptBuff[0];
- final double oldY = m_ptBuff[1];
- m_lastXMousePos = e.getX();
- m_lastYMousePos = e.getY();
- m_ptBuff[0] = m_lastXMousePos;
- m_ptBuff[1] = m_lastYMousePos;
- m_view.xformComponentToNodeCoords(m_ptBuff);
-
- final double newX = m_ptBuff[0];
- final double newY = m_ptBuff[1];
- double deltaX = newX - oldX;
- double deltaY = newY - oldY;
-
- // If the shift key is down, then only move
horizontally,
- // vertically, or diagonally, depending on the
slope.
- if (e.isShiftDown()) {
- final double slope = deltaY / deltaX;
-
- // slope of 2.41 ~ 67.5 degrees
(halfway between 45 and 90)
- // slope of 0.41 ~ 22.5 degrees
(halfway between 0 and 45)
- if ((slope > 2.41) || (slope < -2.41)) {
- deltaX = 0.0; // just move
vertical
- } else if ((slope < 0.41) && (slope >
-0.41)) {
- deltaY = 0.0; // just move
horizontal
- } else {
- final double avg =
(Math.abs(deltaX) + Math.abs(deltaY)) / 2.0;
- deltaX = (deltaX < 0) ? (-avg)
: avg;
- deltaY = (deltaY < 0) ? (-avg)
: avg;
- }
- }
-
- // TODO: Optimize to not instantiate new array
on every call.
- final int[] selectedNodes =
m_view.getSelectedNodeIndices();
-
- for (int i = 0; i < selectedNodes.length; i++) {
- final NodeView nv =
m_view.getNodeView(selectedNodes[i]);
- final double oldXPos =
nv.getXPosition();
- final double oldYPos =
nv.getYPosition();
- nv.setOffset(oldXPos + deltaX, oldYPos
+ deltaY);
- }
-
- final IntEnumerator anchorsToMove =
m_view.m_selectedAnchors.searchRange(Integer.MIN_VALUE,
-
Integer.MAX_VALUE,
-
false);
-
- while (anchorsToMove.numRemaining() > 0) {
- final int edgeAndAnchor =
anchorsToMove.nextInt();
- final int edge = edgeAndAnchor >>> 6;
- final int anchorInx = edgeAndAnchor &
0x0000003f;
- final DEdgeView ev = (DEdgeView)
m_view.getEdgeView(edge);
- ev.getHandleInternal(anchorInx,
m_floatBuff1);
- ev.moveHandleInternal(anchorInx,
m_floatBuff1[0] + deltaX,
- m_floatBuff1[1] +
deltaY);
- }
-
- if ((selectedNodes.length > 0) ||
(m_view.m_selectedAnchors.size() > 0))
- m_view.m_contentChanged = true;
- }
- }
-
- if (m_selectionRect != null) {
- final int x = Math.min(m_lastXMousePos, e.getX());
- final int y = Math.min(m_lastYMousePos, e.getY());
- final int w = Math.abs(m_lastXMousePos - e.getX());
- final int h = Math.abs(m_lastYMousePos - e.getY());
- m_selectionRect.setBounds(x, y, w, h);
- }
-
- repaint();
- }
-
- private void processMiddleDrag(MouseEvent e) {
- System.out.println("----> processMiddleDrag");
- double deltaX = e.getX() - m_lastXMousePos;
- double deltaY = e.getY() - m_lastYMousePos;
- m_lastXMousePos = e.getX();
- m_lastYMousePos = e.getY();
-
- synchronized (m_lock) {
- m_xCenter -= (deltaX / m_scaleFactor);
- m_yCenter -= (deltaY / m_scaleFactor);
- }
-
- m_view.m_viewportChanged = true;
- repaint();
- }
-
- private void processRightDrag(MouseEvent e) {
- System.out.println("----> processRightDrag");
- double deltaY = e.getY() - m_lastYMousePos;
-
- synchronized (m_lock) {
- m_lastXMousePos = e.getX();
- m_lastYMousePos = e.getY();
- m_scaleFactor *= Math.pow(2, -deltaY / 300.0d);
- }
-
- m_view.m_viewportChanged = true;
- repaint();
- }
-
private void handleArrowKeys(KeyEvent k) {
final int code = k.getKeyCode();
double move = 1.0;
@@ -1400,4 +1010,341 @@
repaint();
}
}
+
+ private class MousePressedDelegator extends ButtonDelegator {
+
+ @Override
+ void singleLeftClick(MouseEvent e) {
+ //System.out.println("MousePressed ---->
singleLeftClick");
+ m_undoable_edit = null;
+
+ m_currMouseButton = 1;
+ m_lastXMousePos = e.getX();
+ m_lastYMousePos = e.getY();
+
+ int[] unselectedNodes = null;
+ int[] unselectedEdges = null;
+ int chosenNode = 0;
+ int chosenEdge = 0;
+ int chosenAnchor = -1;
+ int chosenNodeSelected = 0;
+ int chosenEdgeSelected = 0;
+
+ synchronized (m_lock) {
+ if (m_view.m_nodeSelection) {
+ chosenNode = getChosenNode();
+ }
+
+ if (m_view.m_edgeSelection && (chosenNode == 0)
+ && ((m_lastRenderDetail &
GraphRenderer.LOD_EDGE_ANCHORS) != 0)) {
+ chosenAnchor = getChosenAnchor();
+ }
+
+ if (m_view.m_edgeSelection && (chosenNode == 0)
&& (chosenAnchor < 0)) {
+ chosenEdge = getChosenEdge();
+ }
+
+ if ((!e.isShiftDown()) // If shift is down
never unselect.
+ && (((chosenNode == 0) && (chosenEdge == 0)
&& (chosenAnchor < 0)) // Mouse missed all.
+ // Not [we hit something but it was
already selected].
+ || !( ((chosenNode != 0) &&
m_view.getNodeView(chosenNode).isSelected())
+ || (chosenAnchor >= 0)
+ || ((chosenEdge != 0) &&
m_view.getEdgeView(chosenEdge).isSelected()) ))) {
+
+ unselectedNodes =
getUnselectedNodes();
+ unselectedEdges =
getUnselectedEdges();
+
+ if ((unselectedNodes.length > 0) ||
(unselectedEdges.length > 0))
+ m_view.m_contentChanged = true;
+ }
+
+
+ if (chosenNode != 0) {
+ chosenNodeSelected =
toggleSelectedNode(chosenNode, e);
+ }
+
+ if (chosenAnchor >= 0) {
+ toggleChosenAnchor(chosenAnchor, e);
+ }
+
+ if (chosenEdge != 0) {
+ chosenEdgeSelected =
toggleSelectedEdge(chosenEdge, e);
+ }
+
+ if ((chosenNode == 0) && (chosenEdge == 0) &&
(chosenAnchor < 0)) {
+ m_selectionRect = new
Rectangle(m_lastXMousePos, m_lastYMousePos, 0, 0);
+ m_button1NodeDrag = false;
+ }
+ }
+
+ final GraphViewChangeListener listener =
m_view.m_lis[0];
+
+ // delegating to listeners
+ if (listener != null) {
+ if ((unselectedNodes != null) &&
(unselectedNodes.length > 0))
+ listener.graphViewChanged(new
GraphViewNodesUnselectedEvent(m_view,
+
DGraphView.makeNodeList(unselectedNodes,m_view)));
+
+ if ((unselectedEdges != null) &&
(unselectedEdges.length > 0))
+ listener.graphViewChanged(new
GraphViewEdgesUnselectedEvent(m_view,
+
DGraphView.makeEdgeList(unselectedEdges,m_view)));
+
+ if (chosenNode != 0) {
+ if (chosenNodeSelected > 0)
+ listener.graphViewChanged(new
GraphViewNodesSelectedEvent(m_view,
+
DGraphView.makeList(m_view.getNodeView(chosenNode).getNode())));
+ else if (chosenNodeSelected < 0)
+ listener.graphViewChanged(new
GraphViewNodesUnselectedEvent(m_view,
+
DGraphView.makeList(m_view.getNodeView(chosenNode).getNode())));
+ }
+
+ if (chosenEdge != 0) {
+ if (chosenEdgeSelected > 0)
+ listener.graphViewChanged(new
GraphViewEdgesSelectedEvent(m_view,
+
DGraphView.makeList(m_view.getEdgeView(chosenEdge).getEdge())));
+ else if (chosenEdgeSelected < 0)
+ listener.graphViewChanged(new
GraphViewEdgesUnselectedEvent(m_view,
+
DGraphView.makeList(m_view.getEdgeView(chosenEdge).getEdge())));
+ }
+ }
+
+ // Repaint after listener events are fired because
listeners may change
+ // something in the graph view.
+ repaint();
+ }
+
+ @Override
+ void singleLeftControlClick(MouseEvent e) {
+ //System.out.println("MousePressed ---->
singleLeftControlClick");
+ // clicking on empty space
+ if ((getChosenNode() == 0) && (getChosenEdge() == 0) &&
(getChosenAnchor() < 0)) {
+ popup.createEmptySpaceMenu(e.getX(),
e.getY(),"NEW");
+ }
+ }
+
+ @Override
+ void singleMiddleClick(MouseEvent e) {
+ //System.out.println("MousePressed ---->
singleMiddleClick");
+ // Save all node positions
+ m_undoable_edit = new
ViewChangeEdit(m_view,ViewChangeEdit.SavedObjs.NODES,"Move",m_undo);
+ m_currMouseButton = 2;
+ m_lastXMousePos = e.getX();
+ m_lastYMousePos = e.getY();
+ }
+
+
+ @Override
+ void singleRightClick(MouseEvent e) {
+ //System.out.println("MousePressed ---->
singleRightClick");
+ // Save all node positions
+ m_undoable_edit = new
ViewChangeEdit(m_view,ViewChangeEdit.SavedObjs.NODES,"Move",m_undo);
+ m_currMouseButton = 3;
+ m_lastXMousePos = e.getX();
+ m_lastYMousePos = e.getY();
+
+ NodeView nview = m_view.getPickedNodeView(e.getPoint());
+ popup.createNodeViewMenu(nview,e.getX(),e.getY(),null);
+
+ EdgeView edgeView =
m_view.getPickedEdgeView(e.getPoint());
+
popup.createEdgeViewMenu(edgeView,e.getX(),e.getY(),null);
+ }
+
+ @Override
+ void doubleLeftClick(MouseEvent e) {
+ //System.out.println("MousePressed ---->
doubleLeftClick");
+ NodeView nview = m_view.getPickedNodeView(e.getPoint());
+ if ( nview != null )
+
popup.createNodeViewMenu(nview,e.getX(),e.getY(),"OPEN");
+ else
+ popup.createEmptySpaceMenu(e.getX(),
e.getY(),"OPEN");
+ }
+ }
+
+ private class MouseReleasedDelegator extends ButtonDelegator {
+
+ @Override
+ void singleLeftClick(MouseEvent e) {
+ //System.out.println("MouseReleased ---->
singleLeftClick");
+ if (m_currMouseButton == 1) {
+ m_currMouseButton = 0;
+
+ if (m_selectionRect != null) {
+ int[] selectedNodes = null;
+ int[] selectedEdges = null;
+
+ synchronized (m_lock) {
+ if (m_view.m_nodeSelection ||
m_view.m_edgeSelection) {
+ if
(m_view.m_nodeSelection) {
+ selectedNodes =
setSelectedNodes();
+ }
+
+ if
(m_view.m_edgeSelection) {
+ selectedEdges =
setSelectedEdges ();
+ }
+ }
+ }
+
+ m_selectionRect = null;
+
+ final GraphViewChangeListener listener
= m_view.m_lis[0];
+
+ if (listener != null) {
+ if ((selectedNodes != null) &&
(selectedNodes.length > 0))
+
listener.graphViewChanged(new GraphViewNodesSelectedEvent(m_view,
+
DGraphView.makeNodeList(selectedNodes,m_view)));
+
+ if ((selectedEdges != null) &&
(selectedEdges.length > 0))
+
listener.graphViewChanged(new GraphViewEdgesSelectedEvent(m_view,
+
DGraphView.makeEdgeList(selectedEdges,m_view)));
+ }
+
+ // Repaint after listener events are
fired because listeners may
+ // change something in the graph view.
+ repaint();
+ }
+ }
+
+ if (m_undoable_edit != null)
+ m_undoable_edit.post();
+ }
+
+ @Override
+ void singleMiddleClick(MouseEvent e) {
+ //System.out.println("MouseReleased ---->
singleMiddleClick");
+ if (m_currMouseButton == 2)
+ m_currMouseButton = 0;
+
+ if (m_undoable_edit != null)
+ m_undoable_edit.post();
+ }
+
+ @Override
+ void singleRightClick(MouseEvent e) {
+ //System.out.println("MouseReleased ---->
singleRightClick");
+ if (m_currMouseButton == 3)
+ m_currMouseButton = 0;
+
+ if (m_undoable_edit != null)
+ m_undoable_edit.post();
+ }
+ }
+
+ private class MouseDraggedDelegator extends ButtonDelegator {
+
+ @Override
+ void singleLeftClick(MouseEvent e) {
+ //System.out.println("MouseDragged ---->
singleLeftClick");
+ if (m_button1NodeDrag) {
+ // save selected node and edge positions
+ if (m_undoable_edit == null) {
+ m_undoable_edit = new
ViewChangeEdit(m_view, ViewChangeEdit.SavedObjs.SELECTED, "Move",m_undo);
+ }
+ synchronized (m_lock) {
+ m_ptBuff[0] = m_lastXMousePos;
+ m_ptBuff[1] = m_lastYMousePos;
+
m_view.xformComponentToNodeCoords(m_ptBuff);
+
+ final double oldX = m_ptBuff[0];
+ final double oldY = m_ptBuff[1];
+ m_lastXMousePos = e.getX();
+ m_lastYMousePos = e.getY();
+ m_ptBuff[0] = m_lastXMousePos;
+ m_ptBuff[1] = m_lastYMousePos;
+
m_view.xformComponentToNodeCoords(m_ptBuff);
+
+ final double newX = m_ptBuff[0];
+ final double newY = m_ptBuff[1];
+ double deltaX = newX - oldX;
+ double deltaY = newY - oldY;
+
+ // If the shift key is down, then only
move horizontally,
+ // vertically, or diagonally, depending
on the slope.
+ if (e.isShiftDown()) {
+ final double slope = deltaY /
deltaX;
+
+ // slope of 2.41 ~ 67.5 degrees
(halfway between 45 and 90)
+ // slope of 0.41 ~ 22.5 degrees
(halfway between 0 and 45)
+ if ((slope > 2.41) || (slope <
-2.41)) {
+ deltaX = 0.0; // just
move vertical
+ } else if ((slope < 0.41) &&
(slope > -0.41)) {
+ deltaY = 0.0; // just
move horizontal
+ } else {
+ final double avg =
(Math.abs(deltaX) + Math.abs(deltaY)) / 2.0;
+ deltaX = (deltaX < 0) ?
(-avg) : avg;
+ deltaY = (deltaY < 0) ?
(-avg) : avg;
+ }
+ }
+
+ // TODO: Optimize to not instantiate
new array on every call.
+ final int[] selectedNodes =
m_view.getSelectedNodeIndices();
+
+ for (int i = 0; i <
selectedNodes.length; i++) {
+ final NodeView nv =
m_view.getNodeView(selectedNodes[i]);
+ final double oldXPos =
nv.getXPosition();
+ final double oldYPos =
nv.getYPosition();
+ nv.setOffset(oldXPos + deltaX,
oldYPos + deltaY);
+ }
+
+ final IntEnumerator anchorsToMove =
m_view.m_selectedAnchors.searchRange(Integer.MIN_VALUE,
+
Integer.MAX_VALUE,
+
false);
+
+ while (anchorsToMove.numRemaining() >
0) {
+ final int edgeAndAnchor =
anchorsToMove.nextInt();
+ final int edge = edgeAndAnchor
>>> 6;
+ final int anchorInx =
edgeAndAnchor & 0x0000003f;
+ final DEdgeView ev =
(DEdgeView) m_view.getEdgeView(edge);
+ ev.getHandleInternal(anchorInx,
m_floatBuff1);
+
ev.moveHandleInternal(anchorInx, m_floatBuff1[0] + deltaX,
+
m_floatBuff1[1] + deltaY);
+ }
+
+ if ((selectedNodes.length > 0) ||
(m_view.m_selectedAnchors.size() > 0))
+ m_view.m_contentChanged = true;
+ }
+ }
+
+ if (m_selectionRect != null) {
+ final int x = Math.min(m_lastXMousePos,
e.getX());
+ final int y = Math.min(m_lastYMousePos,
e.getY());
+ final int w = Math.abs(m_lastXMousePos -
e.getX());
+ final int h = Math.abs(m_lastYMousePos -
e.getY());
+ m_selectionRect.setBounds(x, y, w, h);
+ }
+
+ repaint();
+ }
+
+ @Override
+ void singleMiddleClick(MouseEvent e) {
+ //System.out.println("MouseDragged ---->
singleMiddleClick");
+ double deltaX = e.getX() - m_lastXMousePos;
+ double deltaY = e.getY() - m_lastYMousePos;
+ m_lastXMousePos = e.getX();
+ m_lastYMousePos = e.getY();
+
+ synchronized (m_lock) {
+ m_xCenter -= (deltaX / m_scaleFactor);
+ m_yCenter -= (deltaY / m_scaleFactor);
+ }
+
+ m_view.m_viewportChanged = true;
+ repaint();
+ }
+
+ @Override
+ void singleRightClick(MouseEvent e) {
+ //System.out.println("MouseDragged ---->
singleRightClick");
+ double deltaY = e.getY() - m_lastYMousePos;
+
+ synchronized (m_lock) {
+ m_lastXMousePos = e.getX();
+ m_lastYMousePos = e.getY();
+ m_scaleFactor *= Math.pow(2, -deltaY / 300.0d);
+ }
+
+ m_view.m_viewportChanged = true;
+ repaint();
+ }
+ }
}
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