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122 lines (100 loc) · 3.59 KB
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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
goog.provide('remote.ui.ControlBlock');
goog.provide('remote.ui.createControlBlock');
goog.provide('remote.ui.updateControlBlock');
goog.require('goog.array');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.ui.Component');
/**
* Organizes a horizontal collection of elements.
* @constructor
* @extends {goog.ui.Component}
*/
remote.ui.ControlBlock = function() {
goog.base(this);
};
goog.inherits(remote.ui.ControlBlock, goog.ui.Component);
/**
* @private {string}
* @const
*/
remote.ui.ControlBlock.SEPARATOR_TEXT_ = '\xa0\xa0|\xa0\xa0';
/** @private {Array.<!Element>} */
remote.ui.ControlBlock.prototype.elementsToAdd_ = null;
/** @override */
remote.ui.ControlBlock.prototype.disposeInternal = function() {
delete this.elementsToAdd_;
goog.base(this, 'disposeInternal');
};
/** @override */
remote.ui.ControlBlock.prototype.createDom = function() {
var dom = this.getDomHelper();
var div = dom.createDom(goog.dom.TagName.DIV, 'control-block');
this.setElementInternal(div);
if (this.elementsToAdd_) {
goog.array.forEach(this.elementsToAdd_, this.addElement, this);
this.elementsToAdd_ = null;
}
};
/** @param {!Element} element The element to add. */
remote.ui.ControlBlock.prototype.addElement = function(element) {
var parent = this.getElement();
if (!parent) {
if (!this.elementsToAdd_) {
this.elementsToAdd_ = [];
}
this.elementsToAdd_.push(element);
return;
}
if (parent.childNodes.length) {
goog.dom.appendChild(parent, this.getDomHelper().createTextNode(
remote.ui.ControlBlock.SEPARATOR_TEXT_));
}
goog.dom.appendChild(parent, element);
};
/**
* Utility for creating a DIV.control-block with a string of children separated
* by a common text separator.
* @param {!goog.dom.DomHelper} domHelper DOM helper to use.
* @param {...Element} var_args Elements to insert into the block.
* @return {!Element} The new block.
*/
remote.ui.createControlBlock = function(domHelper, var_args) {
var div = domHelper.createDom(goog.dom.TagName.DIV, 'control-block');
var args = goog.array.slice(arguments, 0);
goog.array.splice(args, 0, 0, div);
remote.ui.updateControlBlock.apply(null, args);
return div;
};
/**
* Updates a control block by adding additional children.
* @param {!Element} div The control block to update.
* @param {!goog.dom.DomHelper} domHelper DOM helper to use.
* @param {...Element} var_args Elements to insert into the block.
*/
remote.ui.updateControlBlock = function(div, domHelper, var_args) {
var elements = goog.array.slice(arguments, 2);
goog.array.forEach(elements, function(element, i) {
goog.dom.appendChild(div, element);
if (i + 1 < elements.length) {
goog.dom.appendChild(div, domHelper.createTextNode(
remote.ui.ControlBlock.SEPARATOR_TEXT_));
}
});
};