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First clean up of the algorithm.

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Paulo Gustavo Veiga
2012-08-17 20:40:26 -03:00
parent c432bef6b1
commit bff79159e1
3 changed files with 83 additions and 85 deletions
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62
mindplot/src/main/javascript/DragConnector.js
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@@ -17,7 +17,7 @@
*/
mindplot.DragConnector = new Class({
initialize:function(designerModel, workspace) {
initialize:function (designerModel, workspace) {
$assert(designerModel, 'designerModel can not be null');
$assert(workspace, 'workspace can not be null');
@@ -26,7 +26,7 @@ mindplot.DragConnector = new Class({
this._workspace = workspace;
},
checkConnection : function(dragTopic) {
checkConnection:function (dragTopic) {
var topics = this._designerModel.getTopics();
// Must be disconnected from their current connection ?.
@@ -47,8 +47,7 @@ mindplot.DragConnector = new Class({
if ($defined(mainTopicToMainTopicConnection)) {
// I have to change the current connection to a main topic.
dragTopic.disconnect(this._workspace);
} else
if (Math.abs(dragXPosition - currentXPosition) > mindplot.DragConnector.CENTRAL_TO_MAINTOPIC_MAX_HORIZONTAL_DISTANCE) {
} else if (Math.abs(dragXPosition - currentXPosition) > mindplot.DragConnector.CENTRAL_TO_MAINTOPIC_MAX_HORIZONTAL_DISTANCE) {
dragTopic.disconnect(this._workspace);
}
}
@@ -65,31 +64,50 @@ mindplot.DragConnector = new Class({
}
},
_lookUpForMainTopicToMainTopicConnection : function(dragTopic) {
_lookUpForMainTopicToMainTopicConnection:function (dragTopic) {
var topics = this._designerModel.getTopics();
var result = null;
// Filter all the nodes that are outside the boundary ...
var draggedNode = dragTopic.getDraggedTopic();
var distance = null;
var sourcePosition = dragTopic.getPosition();
topics = topics.filter(function (topic) {
var pos = topic.getPosition();
return (sourcePosition.x - pos.x) * Math.sign(pos.x) > 0 && draggedNode != topic;
});
// Topics must be ordered based on the distance vertical distance to the drag topic ...
topics = topics.sort(function (a, b) {
var aPos = a.getPosition();
var ad = (sourcePosition.x - aPos.x) * Math.sign(aPos.x);
var bPos = b.getPosition();
var bd = (sourcePosition.x - bPos.x) * Math.sign(bPos.x);
return ad > bd;
});
// Check MainTopic->MainTopic connection...
var result = null;
var distance = null;
for (var i = 0; i < topics.length; i++) {
var targetTopic = topics[i];
var position = dragTopic.getPosition();
if (targetTopic.getType() != mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE && targetTopic != draggedNode) {
var canBeConnected = dragTopic.canBeConnectedTo(targetTopic);
if (canBeConnected) {
var targetPosition = targetTopic.getPosition();
var fix = position.y > targetPosition.y;
var gap = 0;
if (targetTopic.getChildren().length > 0) {
gap = Math.abs(targetPosition.y - targetTopic.getChildren()[0].getPosition().y)
}
var yDistance = Math.abs(position.y - fix * gap - targetPosition.y);
if (distance == null || yDistance < distance) {
result = targetTopic;
distance = yDistance;
}
var targetTopic = topics[i];
var canBeConnected = dragTopic.canBeConnectedTo(targetTopic);
if (canBeConnected) {
var targetPosition = targetTopic.getPosition();
var fix = position.y > targetPosition.y;
var gap = 0;
if (targetTopic.getChildren().length > 0) {
gap = Math.abs(targetPosition.y - targetTopic.getChildren()[0].getPosition().y)
}
var yDistance = Math.abs(position.y - fix * gap - targetPosition.y);
if (distance == null || yDistance < distance) {
result = targetTopic;
distance = yDistance;
break;
}
}
}