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Predict for Symmetric Sorter

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This commit is contained in:
Gonzalo Bellver
2012-01-12 19:58:18 -03:00
parent b8e8038b39
commit af6358259a
4 changed files with 88 additions and 24 deletions
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4
mindplot/src/main/javascript/nlayout/LayoutManager.js
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@@ -90,7 +90,7 @@ mindplot.nlayout.LayoutManager = new Class({
var parent = this._treeSet.find(parentId);
var sorter = parent.getSorter();
return sorter.predict(parent, this._treeSet, position);
return sorter.predict(parent, this._treeSet, position);
},
dump: function() {
@@ -104,6 +104,8 @@ mindplot.nlayout.LayoutManager = new Class({
var canvas = Raphael(containerId, size.width, size.height);
canvas.drawGrid(0, 0, size.width, size.height, size.width / squaresize, size.height / squaresize);
this._treeSet.plot(canvas);
return canvas;
},
layout: function(fireEvents) {

32
mindplot/src/main/javascript/nlayout/SymmetricSorter.js
View File

@@ -25,31 +25,37 @@ mindplot.nlayout.SymmetricSorter = new Class({
// No children...
var children = graph.getChildren(parent);
var direction = parent.getPosition().x > 0 ? 1 : -1;
if (children.length == 0) {
return [0,parent.getPosition()]; // @Todo:Change x ...
var position = {
x: parent.getPosition().x + direction * (parent.getSize().width + mindplot.nlayout.SymmetricSorter.INTERNODE_HORIZONTAL_PADDING),
y:parent.getPosition().y
}
return [0, position];
}
// Try to fit within ...
//
// - Order is change if the position top position is changed ...
// - Suggested position is the middle between the two topics...
//
var result = null;
children.forEach(function(child) {
var last = children.getLast();
children.each(function(child, index) {
var cpos = child.getPosition();
if (position.y > cpos.y) {
result = [child.getOrder(),{x:cpos.x,y:cpos.y + child.getSize().height}];
yOffset = child == last ?
child.getSize().height + mindplot.nlayout.SymmetricSorter.INTERNODE_VERTICAL_PADDING * 2 :
(children[index + 1].getPosition().y - child.getPosition().y)/2;
result = [child.getOrder() + 1,{x:cpos.x, y:cpos.y + yOffset}];
}
});
// Ok, no overlap. Suggest a new order.
if (result) {
var last = children.getLast();
result = [last.getOrder() + 1,{x:cpos.x,y:cpos.y - (mindplot.nlayout.SymmetricSorter.INTERNODE_VERTICAL_PADDING * 4)}];
// Position wasn't below any node, so it must be inserted above
if (!result) {
var first = children[0];
result = [0, {
x:first.getPosition().x,
y:first.getPosition().y - first.getSize().height - mindplot.nlayout.SymmetricSorter.INTERNODE_VERTICAL_PADDING * 2
}];
}
//TODO(gb): also return order!
return result;
},