/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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/**
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* @private
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*/
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Ext.define('Ext.button.Manager', {
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singleton: true,
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alternateClassName: 'Ext.ButtonToggleManager',
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groups: {},
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pressedButton: null,
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buttonSelector: '.' + Ext.baseCSSPrefix + 'btn',
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init: function() {
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var me = this;
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if (!me.initialized) {
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Ext.getDoc().on({
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keydown: me.onDocumentKeyDown,
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mouseup: me.onDocumentMouseUp,
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scope: me
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});
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me.initialized = true;
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}
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},
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// Buttons must react to SPACE and ENTER to trigger the click handler.
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// Now that they are `<a>` elements, we use a keydown listener.
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onDocumentKeyDown: function(e) {
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var k = e.getKey(),
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btn;
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// SPACE and ENTER trigger a click
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if (k === e.SPACE || k === e.ENTER) {
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// Look for a Button's encapsulating element
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btn = e.getTarget(this.buttonSelector);
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// If found, fire the Button's onClick
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if (btn) {
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Ext.getCmp(btn.id).onClick(e);
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}
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}
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},
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// Called by buton instances.
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// Track the button which was mousedowned upon so that the next *document* mouseup can be delivered to it
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// in case mouse is moved outside of button element.
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onButtonMousedown: function(button, e) {
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var pressed = this.pressedButton;
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if (pressed) {
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pressed.onMouseUp(e);
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}
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this.pressedButton = button;
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},
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onDocumentMouseUp: function(e) {
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var pressed = this.pressedButton;
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if (pressed) {
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pressed.onMouseUp(e);
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this.pressedButton = null;
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}
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},
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toggleGroup: function(btn, state) {
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if (state) {
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var g = this.groups[btn.toggleGroup],
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length = g.length,
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i;
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for (i = 0; i < length; i++) {
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if (g[i] !== btn) {
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g[i].toggle(false);
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}
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}
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}
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},
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register: function(btn) {
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var me = this,
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groups = this.groups,
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group = groups[btn.toggleGroup];
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me.init();
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if (!btn.toggleGroup) {
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return;
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}
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if (!group) {
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group = groups[btn.toggleGroup] = [];
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}
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group.push(btn);
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btn.on('toggle', me.toggleGroup, me);
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},
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unregister: function(btn) {
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if (!btn.toggleGroup) {
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return;
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}
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var me = this,
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group = me.groups[btn.toggleGroup];
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if (group) {
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Ext.Array.remove(group, btn);
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btn.un('toggle', me.toggleGroup, me);
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}
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},
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// Gets the pressed button in the passed group or null
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// @param {String} group
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// @return {Ext.button.Button}
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getPressed: function(group) {
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var g = this.groups[group],
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i = 0,
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len;
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if (g) {
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for (len = g.length; i < len; i++) {
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if (g[i].pressed === true) {
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return g[i];
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}
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}
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}
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return null;
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}
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});
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