ComboBox.js
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/**
* ComboBox.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* This class creates a combobox control. Select box that you select a value from or
* type a value into.
*
* @-x-less ComboBox.less
* @class tinymce.ui.ComboBox
* @extends tinymce.ui.Widget
*/
define("tinymce/ui/ComboBox", [
"tinymce/ui/Widget",
"tinymce/ui/Factory",
"tinymce/ui/DomUtils",
"tinymce/dom/DomQuery"
], function(Widget, Factory, DomUtils, $) {
"use strict";
return Widget.extend({
/**
* Constructs a new control instance with the specified settings.
*
* @constructor
* @param {Object} settings Name/value object with settings.
* @setting {String} placeholder Placeholder text to display.
*/
init: function(settings) {
var self = this;
self._super(settings);
settings = self.settings;
self.classes.add('combobox');
self.subinput = true;
self.ariaTarget = 'inp'; // TODO: Figure out a better way
settings.menu = settings.menu || settings.values;
if (settings.menu) {
settings.icon = 'caret';
}
self.on('click', function(e) {
var elm = e.target, root = self.getEl();
if (!$.contains(root, elm) && elm != root) {
return;
}
while (elm && elm != root) {
if (elm.id && elm.id.indexOf('-open') != -1) {
self.fire('action');
if (settings.menu) {
self.showMenu();
if (e.aria) {
self.menu.items()[0].focus();
}
}
}
elm = elm.parentNode;
}
});
// TODO: Rework this
self.on('keydown', function(e) {
if (e.target.nodeName == "INPUT" && e.keyCode == 13) {
self.parents().reverse().each(function(ctrl) {
var stateValue = self.state.get('value'), inputValue = self.getEl('inp').value;
e.preventDefault();
self.state.set('value', inputValue);
if (stateValue != inputValue) {
self.fire('change');
}
if (ctrl.hasEventListeners('submit') && ctrl.toJSON) {
ctrl.fire('submit', {data: ctrl.toJSON()});
return false;
}
});
}
});
self.on('keyup', function(e) {
if (e.target.nodeName == "INPUT") {
self.state.set('value', e.target.value);
}
});
},
showMenu: function() {
var self = this, settings = self.settings, menu;
if (!self.menu) {
menu = settings.menu || [];
// Is menu array then auto constuct menu control
if (menu.length) {
menu = {
type: 'menu',
items: menu
};
} else {
menu.type = menu.type || 'menu';
}
self.menu = Factory.create(menu).parent(self).renderTo(self.getContainerElm());
self.fire('createmenu');
self.menu.reflow();
self.menu.on('cancel', function(e) {
if (e.control === self.menu) {
self.focus();
}
});
self.menu.on('show hide', function(e) {
e.control.items().each(function(ctrl) {
ctrl.active(ctrl.value() == self.value());
});
}).fire('show');
self.menu.on('select', function(e) {
self.value(e.control.value());
});
self.on('focusin', function(e) {
if (e.target.tagName.toUpperCase() == 'INPUT') {
self.menu.hide();
}
});
self.aria('expanded', true);
}
self.menu.show();
self.menu.layoutRect({w: self.layoutRect().w});
self.menu.moveRel(self.getEl(), self.isRtl() ? ['br-tr', 'tr-br'] : ['bl-tl', 'tl-bl']);
},
/**
* Focuses the input area of the control.
*
* @method focus
*/
focus: function() {
this.getEl('inp').focus();
},
/**
* Repaints the control after a layout operation.
*
* @method repaint
*/
repaint: function() {
var self = this, elm = self.getEl(), openElm = self.getEl('open'), rect = self.layoutRect();
var width, lineHeight;
if (openElm) {
width = rect.w - DomUtils.getSize(openElm).width - 10;
} else {
width = rect.w - 10;
}
// Detect old IE 7+8 add lineHeight to align caret vertically in the middle
var doc = document;
if (doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
lineHeight = (self.layoutRect().h - 2) + 'px';
}
$(elm.firstChild).css({
width: width,
lineHeight: lineHeight
});
self._super();
return self;
},
/**
* Post render method. Called after the control has been rendered to the target.
*
* @method postRender
* @return {tinymce.ui.ComboBox} Current combobox instance.
*/
postRender: function() {
var self = this;
$(this.getEl('inp')).on('change', function(e) {
self.state.set('value', e.target.value);
self.fire('change', e);
});
return self._super();
},
/**
* Renders the control as a HTML string.
*
* @method renderHtml
* @return {String} HTML representing the control.
*/
renderHtml: function() {
var self = this, id = self._id, settings = self.settings, prefix = self.classPrefix;
var value = self.state.get('value') || '';
var icon, text, openBtnHtml = '', extraAttrs = '';
if ("spellcheck" in settings) {
extraAttrs += ' spellcheck="' + settings.spellcheck + '"';
}
if (settings.maxLength) {
extraAttrs += ' maxlength="' + settings.maxLength + '"';
}
if (settings.size) {
extraAttrs += ' size="' + settings.size + '"';
}
if (settings.subtype) {
extraAttrs += ' type="' + settings.subtype + '"';
}
if (self.disabled()) {
extraAttrs += ' disabled="disabled"';
}
icon = settings.icon;
if (icon && icon != 'caret') {
icon = prefix + 'ico ' + prefix + 'i-' + settings.icon;
}
text = self.state.get('text');
if (icon || text) {
openBtnHtml = (
'<div id="' + id + '-open" class="' + prefix + 'btn ' + prefix + 'open" tabIndex="-1" role="button">' +
'<button id="' + id + '-action" type="button" hidefocus="1" tabindex="-1">' +
(icon != 'caret' ? '<i class="' + icon + '"></i>' : '<i class="' + prefix + 'caret"></i>') +
(text ? (icon ? ' ' : '') + text : '') +
'</button>' +
'</div>'
);
self.classes.add('has-open');
}
return (
'<div id="' + id + '" class="' + self.classes + '">' +
'<input id="' + id + '-inp" class="' + prefix + 'textbox" value="' +
self.encode(value, false) + '" hidefocus="1"' + extraAttrs + ' placeholder="' +
self.encode(settings.placeholder) + '" />' +
openBtnHtml +
'</div>'
);
},
value: function(value) {
if (arguments.length) {
this.state.set('value', value);
return this;
}
// Make sure the real state is in sync
if (this.state.get('rendered')) {
this.state.set('value', this.getEl('inp').value);
}
return this.state.get('value');
},
bindStates: function() {
var self = this;
self.state.on('change:value', function(e) {
if (self.getEl('inp').value != e.value) {
self.getEl('inp').value = e.value;
}
});
self.state.on('change:disabled', function(e) {
self.getEl('inp').disabled = e.value;
});
return self._super();
},
remove: function() {
$(this.getEl('inp')).off();
this._super();
}
});
});