TreeEditor.js
Ext.tree.TreeEditor = function(tree, config){
config = config || {};
// config can either be a prebuilt field, or a field config
var field = config.events ? config : new Ext.form.TextField(config);
Ext.tree.TreeEditor.superclass.constructor.call(this, field);
this.tree = tree;
tree.on('beforeclick', this.beforeNodeClick, this);
tree.el.on('mousedown', this.hide, this);
this.on('complete', this.updateNode, this);
this.on('beforestartedit', this.fitToTree, this);
this.on('startedit', this.bindScroll, this, {delay:10});
this.on('specialkey', this.onSpecialKey, this);
};
Ext.extend(Ext.tree.TreeEditor, Ext.Editor, {
alignment: "l-l",
autoSize: false,
hideEl : false,
cls: "x-small-editor x-tree-editor",
shim:false,
shadow:"frame",
maxWidth: 250,
fitToTree : function(ed, el){
var td = this.tree.el.dom, nd = el.dom;
if(td.scrollLeft > nd.offsetLeft){ // ensure the node left point is visible
td.scrollLeft = nd.offsetLeft;
}
var w = Math.min(
this.maxWidth,
(td.clientWidth > 20 ? td.clientWidth : td.offsetWidth) - Math.max(0, nd.offsetLeft-td.scrollLeft) - /*cushion*/5);
this.setSize(w, '');
},
triggerEdit : function(node){
this.completeEdit();
this.editNode = node;
this.startEdit(node.ui.textNode, node.text);
},
bindScroll : function(){
this.tree.el.on('scroll', this.cancelEdit, this);
},
beforeNodeClick : function(node){
if(this.tree.getSelectionModel().isSelected(node)){
this.triggerEdit(node);
return false;
}
},
updateNode : function(ed, value){
this.tree.el.un('scroll', this.cancelEdit, this);
this.editNode.setText(value);
},
onSpecialKey : function(field, e){
var k = e.getKey();
if(k == e.ESC){
this.cancelEdit();
e.stopEvent();
}else if(k == e.ENTER && !e.hasModifier()){
this.completeEdit();
e.stopEvent();
}
}
});
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