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Refactor connection algorithm.
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@ -53,13 +53,12 @@ mindplot.DragConnector = new Class({
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var xMouseGap = dragTopic.getPosition().x > 0 ? 0 : dragTopicWidth;
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var xMouseGap = dragTopic.getPosition().x > 0 ? 0 : dragTopicWidth;
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var sPos = {x:dragTopic.getPosition().x - xMouseGap, y:dragTopic.getPosition().y};
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var sPos = {x:dragTopic.getPosition().x - xMouseGap, y:dragTopic.getPosition().y};
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// Perform a initial filter to discard topics:
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// Perform a initial filter to discard topics:
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// - Exclude dragged topic
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// - Exclude dragged topic
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// - Exclude dragTopic pivot
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// - Exclude dragTopic pivot
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// - Nodes that are collapsed
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// - Nodes that are collapsed
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topics = topics.filter(function (topic) {
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topics = topics.filter(function (topic) {
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return draggedNode != topic && topic != dragTopic._draggedNode && !topic.areChildrenShrunken() && !topic.isCollapsed();
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return draggedNode != topic && topic != draggedNode && !topic.areChildrenShrunken() && !topic.isCollapsed();
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});
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});
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// Filter all the nodes that are outside the vertical boundary:
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// Filter all the nodes that are outside the vertical boundary:
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@ -78,22 +77,28 @@ mindplot.DragConnector = new Class({
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// - Alignment with the targetNode
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// - Alignment with the targetNode
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// - Vertical distance
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// - Vertical distance
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// - Horizontal proximity
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// - Horizontal proximity
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// - It's already connected.
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var currentConnection = dragTopic.getConnectedToTopic();
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topics = topics.sort(function (a, b) {
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topics = topics.sort(function (a, b) {
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var aPos = a.getPosition();
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var aPos = a.getPosition();
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var bPos = b.getPosition();
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var bPos = b.getPosition();
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var av = this._isVerticallyAligned(a.getSize(), a.getPosition(), sPos);
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var av = this._isVerticallyAligned(a.getSize(), aPos, sPos);
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var bv = this._isVerticallyAligned(b.getSize(), b.getPosition(), sPos);
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var bv = this._isVerticallyAligned(b.getSize(), bPos, sPos);
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return this._proximityWeight(av, a, sPos, currentConnection) - this._proximityWeight(bv, b, sPos, currentConnection);
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return ((av ? 1 : 10000) + Math.abs(aPos.x - sPos.x) + Math.abs(aPos.y - sPos.y)) - ((bv ? 1 : 10000) + Math.abs(bPos.x - sPos.x) + Math.abs(bPos.y - sPos.y));
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}.bind(this));
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}.bind(this));
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return topics;
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return topics;
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},
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},
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_proximityWeight:function (isAligned, target, sPos, currentConnection) {
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var tPos = target.getPosition();
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return (isAligned ? 0 : 200 ) + Math.abs(tPos.x - sPos.x) + Math.abs(tPos.y - sPos.y) + (currentConnection == target ? 0 : 100);
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},
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_isVerticallyAligned:function (targetSize, targetPosition, sourcePosition) {
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_isVerticallyAligned:function (targetSize, targetPosition, sourcePosition) {
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return (sourcePosition.y - targetPosition.y) < targetSize.height;
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return Math.abs(sourcePosition.y - targetPosition.y) < targetSize.height / 2;
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}
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}
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