Created
September 29, 2017 23:58
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qx.Class.define("OpenCloseController", | |
{ | |
extend: qx.core.Object, | |
construct: function(tree, model, openPropertyName) | |
{ | |
this.base(arguments); | |
if (openPropertyName) | |
{ | |
this.setOpenPropertyName(openPropertyName); | |
} | |
this._tree = tree; | |
this._lids = []; | |
// Sync tree nodes | |
var sync = function(node) { | |
if (qx.Class.hasProperty(node.constructor, "children")) { | |
node.getChildren().forEach(sync); | |
} | |
if (qx.Class.hasProperty(node.constructor, this.getOpenPropertyName())) { | |
if (node.getOpen()) { | |
tree.openNode(node); | |
} | |
else { | |
tree.closeNode(node); | |
} | |
} | |
}.bind(this); | |
sync(model.getItem(0)); | |
// Wire change listeners | |
var lid = tree.addListener("open", this._onOpen, this); | |
this._lids.push([tree, lid]); | |
lid = tree.addListener("close", this._onClose, this); | |
this._lids.push([tree, lid]); | |
lid = model.addListener("changeBubble", this._onChangeBubble, this); | |
this._lids.push([model, lid]); | |
}, | |
properties : | |
{ | |
openPropertyName : | |
{ | |
check : "String", | |
nullable : false, | |
init : "open" | |
} | |
}, | |
members: | |
{ | |
_tree: null, | |
_lids: null, | |
_onOpen: function(ev) | |
{ | |
ev.getData().setOpen(true); | |
}, | |
_onClose: function(ev) | |
{ | |
ev.getData().setOpen(false); | |
}, | |
_onChangeBubble: function(ev) | |
{ | |
var bubble = ev.getData(); | |
var modelPropRe = new RegExp("\\." + this.getOpenPropertyName() + "$"); | |
console.warn("modelPropRe=" + modelPropRe + ", buttle.name=" + bubble.name + ", test=", modelPropRe.test(bubble.name)); | |
// open related? sync it back to the node item. | |
if (modelPropRe.test(bubble.name)) { | |
if (bubble.value && !this._tree.isNodeOpen(bubble.item)) { | |
this._tree.openNode(bubble.item); | |
} | |
else if (!bubble.value && this._tree.isNodeOpen(bubble.item)) { | |
this._tree.closeNode(bubble.item); | |
} | |
} | |
} | |
}, | |
destruct: function() | |
{ | |
this._tree = null; | |
this._lids.forEach(function(data) { | |
data[0].removeListenerById(data[1]); | |
}); | |
} | |
}); | |
var nodes = | |
[ | |
{ | |
name : "Root", | |
open : false, | |
children : | |
[ | |
{ | |
name : "Branch 1", | |
open : false, | |
children : | |
[ | |
{ | |
name : "Leaf 1.1" | |
}, | |
{ | |
name : "Leaf 1.2" | |
}, | |
{ | |
name : "Branch 1.3", | |
open : true, | |
children : | |
[ | |
{ | |
name : "Leaf 1.3.1" | |
} | |
] | |
} | |
] | |
} | |
] | |
} | |
]; | |
var model = qx.data.marshal.Json.createModel(nodes, false); | |
var tree = new qx.ui.tree.VirtualTree(model.getItem(0), "name", "children"); | |
tree.set( | |
{ | |
width : 200, | |
height : 400, | |
showTopLevelOpenCloseIcons : true | |
}); | |
new OpenCloseController(tree, model, "open"); | |
// For easy inspection... | |
window.model = model; | |
var doc = this.getRoot(); | |
doc.add(tree, | |
{ | |
left : 100, | |
top : 50 | |
}); | |
qx.event.Timer.once( | |
function() | |
{ | |
model.getItem(0).setOpen(true); | |
}, | |
this, | |
2000); |
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