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Predict functions now support null position

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Gonzalo Bellver
2012-01-13 16:26:37 -03:00
parent 2bb68de4f1
commit 78c1de5c67
5 changed files with 77 additions and 50 deletions
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19
mindplot/src/main/javascript/nlayout/BalancedSorter.js
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@@ -52,12 +52,25 @@ mindplot.nlayout.BalancedSorter = new Class({
},
predict : function(parent, graph, position) {
if (!position) {
var right = this._getChildrenForOrder(parent, graph, 0);
var left = this._getChildrenForOrder(parent, graph, 1);
}
// Filter nodes on one side..
var children = this._getChildrenForSide(parent, graph, position);
var order = position ? (position.x > 0 ? 0 : 1) : ((right.length - left.length) > 0 ? 1 : 0);
var children = this._getChildrenForOrder(parent, graph, order);
// No children?
if (children.length == 0) {
return [0, {x:parent.getPosition().x + parent.getSize().width + mindplot.nlayout.BalancedSorter.INTERNODE_HORIZONTAL_PADDING * 2, y:parent.getPosition().y}];
}
// Try to fit within ...
var result = null;
var last = children.getLast();
position = position || {x: last.getPosition().x, y:last.getPosition().y + 1};
children.each(function(child, index) {
var cpos = child.getPosition();
if (position.y > cpos.y) {
@@ -165,6 +178,7 @@ mindplot.nlayout.BalancedSorter = new Class({
},
_getChildrenForSide: function(parent, graph, position) {
position = position || {x: parent.getPosition().x + 1, y:parent.getPosition().y + 1};
return graph.getChildren(parent).filter(function(child) {
return position.x > 0 ? child.getPosition().x > 0 : child.getPosition().x < 0;
});
@@ -184,7 +198,8 @@ mindplot.nlayout.BalancedSorter = new Class({
// All even numbered nodes should be "continuous" by themselves
var factor = node.getOrder() % 2 == 0 ? 2 : 1;
for (var i = 0; i < children.length; i++) {
$assert(children[i].getOrder() == (i*factor), "missing order elements");
var order = i == 0 && factor == 1 ? 1 : (factor * i);
$assert(children[i].getOrder() == order, "Missing order elements. Missing order: " + (i*factor));
}
},