monaca-lib
Version:
Monaca cloud API bindings for JavaScript
89 lines (76 loc) • 2.75 kB
JavaScript
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @constructor
* @implements {WebInspector.TargetManager.Observer}
* @param {!Element} selectElement
* @param {!Element} elementToHide
*/
WebInspector.TargetsComboBoxController = function(selectElement, elementToHide)
{
elementToHide.classList.add("hidden");
selectElement.addEventListener("change", this._onComboBoxSelectionChange.bind(this), false);
this._selectElement = selectElement;
this._elementToHide = elementToHide;
/** @type {!Map.<!WebInspector.Target, !Element>} */
this._targetToOption = new Map();
WebInspector.context.addFlavorChangeListener(WebInspector.Target, this._targetChangedExternally, this);
WebInspector.targetManager.observeTargets(this);
}
WebInspector.TargetsComboBoxController.prototype = {
/**
* @override
* @param {!WebInspector.Target} target
*/
targetAdded: function(target)
{
var option = this._selectElement.createChild("option");
option.text = target.name();
option.__target = target;
this._targetToOption.set(target, option);
if (WebInspector.context.flavor(WebInspector.Target) === target)
this._selectElement.selectedIndex = Array.prototype.indexOf.call(/** @type {?} */ (this._selectElement), option);
this._updateVisibility();
},
/**
* @override
* @param {!WebInspector.Target} target
*/
targetRemoved: function(target)
{
var option = this._targetToOption.remove(target);
this._selectElement.removeChild(option);
this._updateVisibility();
},
_onComboBoxSelectionChange: function()
{
var selectedOption = this._selectElement[this._selectElement.selectedIndex];
if (!selectedOption)
return;
WebInspector.context.setFlavor(WebInspector.Target, selectedOption.__target);
},
_updateVisibility: function()
{
var hidden = this._selectElement.childElementCount === 1;
this._elementToHide.classList.toggle("hidden", hidden);
},
/**
* @param {!WebInspector.Event} event
*/
_targetChangedExternally: function(event)
{
var target = /** @type {?WebInspector.Target} */ (event.data);
if (target) {
var option = /** @type {!Element} */ (this._targetToOption.get(target));
this._select(option);
}
},
/**
* @param {!Element} option
*/
_select: function(option)
{
this._selectElement.selectedIndex = Array.prototype.indexOf.call(/** @type {?} */ (this._selectElement), option);
}
}