Remove trunk directory

mindplot/src/main/javascript/DragPivot.js

@@ -0,0 +1,252 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+* $Id: file 64488 2006-03-10 17:32:09Z paulo $
+*/
+
+mindplot.DragPivot = function()
+{
+    this._position = new core.Point();
+    this._size = mindplot.DragTopic.PIVOT_SIZE;
+    this._line = null;
+
+    this._straightLine = this._buildStraightLine();
+    this._curvedLine = this._buildCurvedLine();
+    this._dragPivot = this._buildRect();
+    this._connectRect = this._buildRect();
+    this._targetTopic = null;
+};
+
+mindplot.DragPivot.prototype.getTargetTopic = function()
+{
+    return this._targetTopic;
+};
+
+mindplot.DragPivot.prototype._buildStraightLine = function()
+{
+    var line = new web2d.Line();
+    line.setStroke(1, 'solid', '#CC0033');
+    line.setOpacity(0.4);
+    line.setVisibility(false);
+    return line;
+};
+
+mindplot.DragPivot.prototype._buildCurvedLine = function()
+{
+    var line = new web2d.PolyLine();
+    line.setStroke(1, 'solid', '#CC0033');
+    line.setOpacity(0.4);
+    line.setVisibility(false);
+    return line;
+};
+
+mindplot.DragPivot.prototype._redraw = function(pivotPosition)
+{
+    // Update line position.
+    core.assert(this.getTargetTopic(), 'Illegal invocation. Target node can not be null');
+
+    var pivotRect = this._getPivotRect();
+    var currentPivotPositon = pivotRect.getPosition();
+
+    // Pivot position has not changed. In this case, position change is not required.
+    var targetTopic = this.getTargetTopic();
+    if (currentPivotPositon.x != pivotPosition.x || currentPivotPositon.y != pivotPosition.y)
+    {
+        var position = this._position;
+        var fromPoint = targetTopic.workoutIncomingConnectionPoint(position);
+
+        // Calculate pivot connection point ...
+        var size = this._size;
+        var targetPosition = targetTopic.getPosition();
+        var line = this._line;
+
+        // Update Line position.
+        var isAtRight = mindplot.util.Shape.isAtRight(targetPosition, position);
+        var pivotPoint = mindplot.util.Shape.calculateRectConnectionPoint(position, size, isAtRight);
+        line.setFrom(pivotPoint.x, pivotPoint.y);
+
+        // Update rect position
+        pivotRect.setPosition(pivotPosition.x, pivotPosition.y);
+
+        // Display elements if it's requiered...
+        if (!pivotRect.isVisible())
+        {
+            // Make line visible only when the position has been already changed.
+            // This solve several strange effects ;)
+            var targetPoint = targetTopic.workoutIncomingConnectionPoint(pivotPoint);
+            line.setTo(targetPoint.x, targetPoint.y);
+
+            this.setVisibility(true);
+        }
+    }
+};
+
+mindplot.DragPivot.prototype.setPosition = function(point)
+{
+    this._position = point;
+
+    // Update visual position.
+    var pivotRect = this._getPivotRect();
+    var size = this.getSize();
+
+    var cx = point.x - (parseInt(size.width) / 2);
+    var cy = point.y - (parseInt(size.height) / 2);
+
+    // Update line  ...
+    if (this.getTargetTopic())
+    {
+        var pivotPosition = {x:cx,y:cy};
+        this._redraw(pivotPosition);
+    }
+};
+
+mindplot.DragPivot.prototype.getPosition = function()
+{
+    return this._position;
+};
+
+mindplot.DragPivot.prototype._buildRect = function()
+{
+    var size = this._size;
+    var rectAttributes = {fillColor:'#CC0033',opacity:0.4,width:size.width,height:size.height,strokeColor:'#FF9933'};
+    var rect = new web2d.Rect(0, rectAttributes);
+    rect.setVisibility(false);
+    return rect;
+};
+
+mindplot.DragPivot.prototype._buildConnectRect = function()
+{
+    var size = this._size;
+    var rectAttributes = {fillColor:'#CC0033',opacity:0.4,width:size.width,height:size.height,strokeColor:'#FF9933'};
+    var result = new web2d.Rect(0, rectAttributes);
+    return result;
+};
+
+mindplot.DragPivot.prototype._getPivotRect = function()
+{
+    return this._dragPivot;
+};
+
+mindplot.DragPivot.prototype.getSize = function()
+{
+    var elem2d = this._getPivotRect();
+    return elem2d.getSize();
+};
+
+mindplot.DragPivot.prototype.setVisibility = function(value)
+{
+    var pivotRect = this._getPivotRect();
+    pivotRect.setVisibility(value);
+
+    var connectRect = this._connectRect;
+    connectRect.setVisibility(value);
+    if (this._line)
+    {
+        this._line.setVisibility(value);
+    }
+};
+
+mindplot.DragPivot.prototype.addToWorkspace = function(workspace)
+{
+    var pivotRect = this._getPivotRect();
+    workspace.appendChild(pivotRect);
+
+    var connectToRect = this._connectRect;
+    workspace.appendChild(connectToRect);
+
+    // Add a hidden straight line ...
+    var straighLine = this._straightLine;
+    straighLine.setVisibility(false);
+    workspace.appendChild(straighLine);
+    straighLine.moveToBack();
+
+    // Add a hidden curved line ...
+    var curvedLine = this._curvedLine;
+    curvedLine.setVisibility(false);
+    workspace.appendChild(curvedLine);
+    curvedLine.moveToBack();
+
+    // Add a connect rect ...
+    var connectRect = this._connectRect;
+    connectRect.setVisibility(false);
+    workspace.appendChild(connectRect);
+    connectRect.moveToBack();
+};
+
+mindplot.DragPivot.prototype.removeFromWorkspace = function(workspace)
+{
+    var shape = this._getPivotRect();
+    workspace.removeChild(shape);
+
+    var connectToRect = this._connectRect;
+    workspace.removeChild(connectToRect);
+
+    if (this._straightLine)
+    {
+        workspace.removeChild(this._straightLine);
+    }
+
+    if (this._curvedLine)
+    {
+        workspace.removeChild(this._curvedLine);
+    }
+};
+
+mindplot.DragPivot.prototype.connectTo = function(targetTopic)
+{
+    core.assert(!this._outgoingLine, 'Could not connect an already connected node');
+    core.assert(targetTopic != this, 'Cilcular connection are not allowed');
+    core.assert(targetTopic, 'parent can not be null');
+
+    this._targetTopic = targetTopic;
+    if (targetTopic.getType() == mindplot.NodeModel.CENTRAL_TOPIC_TYPE)
+    {
+        this._line = this._straightLine;
+    } else
+    {
+        this._line = this._curvedLine;
+    }
+
+    // Show pivot ...
+    var line = this._line;
+
+    // Connected to Rect ...
+    var connectRect = this._connectRect;
+    var targetSize = targetTopic.getSize();
+    var width = targetSize.width + 6;
+    var height = targetSize.height + 6;
+    connectRect.setSize(width, height);
+
+    var targetPosition = targetTopic.getPosition();
+    var cx = Math.round(targetPosition.x - (width / 2));
+    var cy = Math.round(targetPosition.y - (height / 2));
+    connectRect.setPosition(cx, cy);
+
+    // Change elements position ...
+    var pivotRect = this._getPivotRect();
+    pivotRect.moveToFront();
+
+};
+
+mindplot.DragPivot.prototype.disconnect = function(workspace)
+{
+    core.assert(workspace, 'workspace can not be null.');
+    core.assert(this._targetTopic, 'There are not connected topic.');
+
+    this.setVisibility(false);
+    this._targetTopic = null;
+    this._line = null;
+};