/**
* Button.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 is used to create buttons. You can create them directly or through the Factory.
*
* @example
* // Create and render a button to the body element
* tinymce.ui.Factory.create({
* type: 'button',
* text: 'My button'
* }).renderTo(document.body);
*
* @-x-less Button.less
* @class tinymce.ui.Button
* @extends tinymce.ui.Widget
*/
define("tinymce/ui/Button", [
"tinymce/ui/Widget"
], function(Widget) {
"use strict";
return Widget.extend({
Defaults: {
classes: "widget btn",
role: "button"
},
/**
* Constructs a new button instance with the specified settings.
*
* @constructor
* @param {Object} settings Name/value object with settings.
* @setting {String} size Size of the button small|medium|large.
* @setting {String} image Image to use for icon.
* @setting {String} icon Icon to use for button.
*/
init: function(settings) {
var self = this, size;
self._super(settings);
settings = self.settings;
size = self.settings.size;
self.on('click mousedown', function(e) {
e.preventDefault();
});
self.on('touchstart', function(e) {
self.fire('click', e);
e.preventDefault();
});
if (settings.subtype) {
self.classes.add(settings.subtype);
}
if (size) {
self.classes.add('btn-' + size);
}
if (settings.icon) {
self.icon(settings.icon);
}
},
/**
* Sets/gets the current button icon.
*
* @method icon
* @param {String} [icon] New icon identifier.
* @return {String|tinymce.ui.MenuButton} Current icon or current MenuButton instance.
*/
icon: function(icon) {
if (!arguments.length) {
return this.state.get('icon');
}
this.state.set('icon', icon);
return this;
},
/**
* Repaints the button for example after it's been resizes by a layout engine.
*
* @method repaint
*/
repaint: function() {
var btnElm = this.getEl().firstChild,
btnStyle;
if (btnElm) {
btnStyle = btnElm.style;
btnStyle.width = btnStyle.height = "100%";
}
this._super();
},
/**
* Renders the control as a HTML string.
*
* @method renderHtml
* @return {String} HTML representing the control.
*/
renderHtml: function() {
var self = this, id = self._id, prefix = self.classPrefix;
var icon = self.state.get('icon'), image, text = self.state.get('text');
image = self.settings.image;
if (image) {
icon = 'none';
// Support for [high dpi, low dpi] image sources
if (typeof image != "string") {
image = window.getSelection ? image[0] : image[1];
}
image = ' style="background-image: url(\'' + image + '\')"';
} else {
image = '';
}
if (text) {
self.classes.add('btn-has-text');
}
icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
return (
'<div id="' + id + '" class="' + self.classes + '" tabindex="-1" aria-labelledby="' + id + '">' +
'<button role="presentation" type="button" tabindex="-1">' +
(icon ? '<i class="' + icon + '"' + image + '></i>' : '') +
(text ? self.encode(text) : '') +
'</button>' +
'</div>'
);
},
bindStates: function() {
var self = this;
function setButtonText(text) {
var node = self.getEl().firstChild.firstChild;
for (; node; node = node.nextSibling) {
if (node.nodeType == 3) {
node.data = self.translate(text);
}
}
self.classes.toggle('btn-has-text', !!text);
}
self.state.on('change:text', function(e) {
setButtonText(e.value);
});
self.state.on('change:icon', function(e) {
var icon = e.value, prefix = self.classPrefix;
self.settings.icon = icon;
icon = icon ? prefix + 'ico ' + prefix + 'i-' + self.settings.icon : '';
var btnElm = self.getEl().firstChild, iconElm = btnElm.getElementsByTagName('i')[0];
if (icon) {
if (!iconElm || iconElm != btnElm.firstChild) {
iconElm = document.createElement('i');
btnElm.insertBefore(iconElm, btnElm.firstChild);
}
iconElm.className = icon;
} else if (iconElm) {
btnElm.removeChild(iconElm);
}
setButtonText(self.state.get('text'));
});
return self._super();
}
});
});
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