Fixed bug where free positioning could cause sibling overlapping

This commit is contained in:
Gonzalo Bellver 2012-01-26 15:52:32 -03:00
parent 9ada52d720
commit 015703d5b8
4 changed files with 67 additions and 4 deletions

View File

@ -147,12 +147,30 @@ mindplot.layout.OriginalLayout = new Class({
},
_shiftBranches: function(node, heightById) {
var branchesToShift = this._treeSet.getBranchesInVerticalDirection(node, node.getFreeDisplacement().y);
var shiftedBranches = [node];
var siblingsToShift = this._treeSet.getSiblingsInVerticalDirection(node, node.getFreeDisplacement().y);
var last = node;
siblingsToShift.forEach(function(sibling) {
var overlappingOccurs = shiftedBranches.some(function(shiftedBranch) {
return this._branchesOverlap(shiftedBranch, sibling, heightById);
}, this);
if (!sibling.isFree() || overlappingOccurs) {
this._treeSet.shiftBranchPosition(sibling, 0, node.getFreeDisplacement().y);
shiftedBranches.push(sibling);
}
}, this);
var branchesToShift = this._treeSet.getBranchesInVerticalDirection(node, node.getFreeDisplacement().y);
branchesToShift.forEach(function(branch) {
if (this._branchesOverlap(branch, last, heightById)) {
var overlappingOccurs = shiftedBranches.some(function(shiftedBranch) {
return this._branchesOverlap(shiftedBranch, branch, heightById);
}, this);
if (overlappingOccurs) {
this._treeSet.shiftBranchPosition(branch, 0, node.getFreeDisplacement().y);
shiftedBranches.push(branch);
}
last = branch;
},this);

View File

@ -232,12 +232,20 @@ mindplot.layout.RootedTreeSet = new Class({
}.bind(this));
},
getBranchesInVerticalDirection: function(node, yOffset) {
getSiblingsInVerticalDirection: function(node, yOffset) {
// siblings with lower or higher order, depending on the direction of the offset
var siblings = this.getSiblings(node).filter(function(sibling) {
return yOffset < 0 ? sibling.getOrder() < node.getOrder() : sibling.getOrder() > node.getOrder();
});
if (yOffset < 0 ) {
siblings.reverse();
}
return siblings;
},
getBranchesInVerticalDirection: function(node, yOffset) {
// direct descendants of the root that do not contain the node and are on the same side
// and on the direction of the offset
var rootNode = this.getRootNode(node);
@ -252,7 +260,7 @@ mindplot.layout.RootedTreeSet = new Class({
return sameSide && sameDirection;
}, this);
return siblings.combine(rootDescendants);
return rootDescendants;
}
});

View File

@ -155,6 +155,11 @@
<div id="testReconnectFreeNode5" class="col"></div>
<div id="testReconnectFreeNode6" class="col"></div>
<div id="testReconnectFreeNode7" class="col"></div>
<h3>testsiblingOverlappingBug:</h3>
<div id="siblingOverlappingBug1" class="col"></div>
<div id="siblingOverlappingBug2" class="col"></div>
<div id="siblingOverlappingBug3" class="col"></div>
</div>
</body>

View File

@ -24,6 +24,7 @@ mindplot.layout.FreeTestSuite = new Class({
this.testFreePosition();
this.testFreePredict();
this.testReconnectFreeNode();
this.siblingOverlappingBug();
},
testFreePosition: function() {
@ -264,6 +265,37 @@ mindplot.layout.FreeTestSuite = new Class({
console.log("OK!\n\n");
},
siblingOverlappingBug: function() {
console.log("siblingOverlappingBug:");
var position = {x:0,y:0};
var manager = new mindplot.layout.LayoutManager(0, mindplot.layout.TestSuite.ROOT_NODE_SIZE);
// Prepare a sample graph ...
manager.addNode(1, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(0,1,0);
manager.addNode(2, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,2,0);
manager.addNode(3, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,3,1);
manager.addNode(4, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,4,2);
manager.addNode(5, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,5,3);
manager.addNode(6, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,6,4);
manager.addNode(7, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,7,5);
manager.addNode(8, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(1,8,6);
manager.addNode(9, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(0,9,4);
manager.layout();
manager.plot("siblingOverlappingBug1", {width:800, height:600});
console.log("\tmove node 2");
manager.moveNode(2, {x:250, y: -30});
manager.layout();
manager.plot("siblingOverlappingBug2", {width:800, height:600});
this._assertFreePosition(manager, 2, {x:250, y: -30});
console.log("\tmove node 7");
manager.moveNode(7, {x:250, y: 100});
manager.layout();
manager.plot("siblingOverlappingBug3", {width:800, height:600});
this._assertFreePosition(manager, 7, {x:250, y: 100});
},
_assertFreePosition: function(manager, id, position) {
if (id != null && position.x != null && position.y != null) {
var node = manager.find(id);