Sindbad~EG File Manager
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @module moodle-editor_atto-plugin
* @submodule buttons
*/
/**
* Button functions for an Atto Plugin.
*
* See {{#crossLink "M.editor_atto.EditorPlugin"}}{{/crossLink}} for details.
*
* @namespace M.editor_atto
* @class EditorPluginButtons
*/
var MENUTEMPLATE = '' +
'<button class="{{buttonClass}} atto_hasmenu" ' +
'id="{{id}}" ' +
'tabindex="-1" ' +
'title="{{title}}" ' +
'type="button" ' +
'aria-haspopup="true" ' +
'aria-controls="{{id}}_menu">' +
'<span class="editor_atto_menu_icon"></span>' +
'<span class="editor_atto_menu_expand"></span>' +
'</button>';
var DISABLED = 'disabled',
HIGHLIGHT = 'highlight',
LOGNAME = 'moodle-editor_atto-editor-plugin',
CSS = {
EDITORWRAPPER: '.editor_atto_content',
MENUICON: '.editor_atto_menu_icon',
MENUEXPAND: '.editor_atto_menu_expand'
};
function EditorPluginButtons() {}
EditorPluginButtons.ATTRS = {
};
EditorPluginButtons.prototype = {
/**
* All of the buttons that belong to this plugin instance.
*
* Buttons are stored by button name.
*
* @property buttons
* @type object
*/
buttons: null,
/**
* A list of each of the button names.
*
* @property buttonNames
* @type array
*/
buttonNames: null,
/**
* A read-only view of the current state for each button. Mappings are stored by name.
*
* Possible states are:
* <ul>
* <li>{{#crossLink "M.editor_atto.EditorPluginButtons/ENABLED:property"}}{{/crossLink}}; and</li>
* <li>{{#crossLink "M.editor_atto.EditorPluginButtons/DISABLED:property"}}{{/crossLink}}.</li>
* </ul>
*
* @property buttonStates
* @type object
*/
buttonStates: null,
/**
* The menus belonging to this plugin instance.
*
* @property menus
* @type object
*/
menus: null,
/**
* The state for a disabled button.
*
* @property DISABLED
* @type Number
* @static
* @value 0
*/
DISABLED: 0,
/**
* The state for an enabled button.
*
* @property ENABLED
* @type Number
* @static
* @value 1
*/
ENABLED: 1,
/**
* The list of Event Handlers for buttons.
*
* @property _buttonHandlers
* @protected
* @type array
*/
_buttonHandlers: null,
/**
* Hide handlers which are cancelled when the menu is hidden.
*
* @property _menuHideHandlers
* @protected
* @type array
*/
_menuHideHandlers: null,
/**
* A textual description of the primary keyboard shortcut for this
* plugin.
*
* This will be null if no keyboard shortcut has been registered.
*
* @property _primaryKeyboardShortcut
* @protected
* @type String
* @default null
*/
_primaryKeyboardShortcut: null,
/**
* An list of objects returned by Y.soon().
*
* The keys will be the buttonName of the button, and the value the Y.soon() object.
*
* @property _highlightQueue
* @protected
* @type Object
* @default null
*/
_highlightQueue: null,
/**
* Add a button for this plugin to the toolbar.
*
* @method addButton
* @param {object} config The configuration for this button
* @param {string} [config.iconurl] The URL for the icon. If not specified, then the icon and component will be used instead.
* @param {string} [config.icon] The icon identifier.
* @param {string} [config.iconComponent='core'] The icon component.
* @param {string} [config.keys] The shortcut key that can call this plugin from the keyboard.
* @param {string} [config.keyDescription] An optional description for the keyboard shortcuts.
* If not specified, this is automatically generated based on config.keys.
* If multiple key bindings are supplied to config.keys, then only the first is used.
* If set to false, then no description is added to the title.
* @param {string} [config.tags] The tags that trigger this button to be highlighted.
* @param {boolean} [config.tagMatchRequiresAll=true] Working in combination with the tags parameter, when true
* every tag of the selection has to match. When false, only one match is needed. Only set this to false when
* necessary as it is much less efficient.
* See {{#crossLink "M.editor_atto.EditorSelection/selectionFilterMatches:method"}}{{/crossLink}} for more information.
* @param {string} [config.title=this.name] The string identifier in the plugin's language file.
* @param {string} [config.buttonName=this.name] The name of the button. This is used in the buttons object, and if
* specified, in the class for the button.
* @param {function} config.callback A callback function to call when the button is clicked.
* @param {object} [config.callbackArgs] Any arguments to pass to the callback.
* @param {boolean} [config.inlineFormat] Delay callback for text input if selection is collapsed.
* @return {Node} The Node representing the newly created button.
*/
addButton: function(config) {
var group = this.get('group'),
pluginname = this.name,
buttonClass = 'atto_' + pluginname + '_button',
button,
host = this.get('host');
if (config.exec) {
buttonClass = buttonClass + '_' + config.exec;
}
if (!config.buttonName) {
// Set a default button name - this is used as an identifier in the button object.
config.buttonName = config.exec || pluginname;
} else {
buttonClass = buttonClass + '_' + config.buttonName;
}
config.buttonClass = buttonClass;
// Normalize icon configuration.
config = this._normalizeIcon(config);
if (!config.title) {
config.title = 'pluginname';
}
var title = M.util.get_string(config.title, 'atto_' + pluginname);
// Create the actual button.
button = Y.Node.create('<button type="button" class="' + buttonClass + '"' +
'tabindex="-1"></button>');
button.setAttribute('title', title);
window.require(['core/templates'], function(Templates) {
Templates.renderPix(config.icon, config.iconComponent, title).then(function(iconhtml) {
button.append(iconhtml);
});
});
// Append it to the group.
group.append(button);
var currentfocus = this.toolbar.getAttribute('aria-activedescendant');
if (!currentfocus) {
// Initially set the first button in the toolbar to be the default on keyboard focus.
button.setAttribute('tabindex', '0');
this.toolbar.setAttribute('aria-activedescendant', button.generateID());
this.get('host')._tabFocus = button;
}
// Normalize the callback parameters.
config = this._normalizeCallback(config);
// Add the standard click handler to the button.
this._buttonHandlers.push(
this.toolbar.delegate('click', config.callback, '.' + buttonClass, this)
);
// Handle button click via shortcut key.
if (config.keys) {
if (typeof config.keyDescription !== 'undefined') {
// A keyboard shortcut description was specified - use it.
this._primaryKeyboardShortcut[buttonClass] = config.keyDescription;
}
this._addKeyboardListener(config.callback, config.keys, buttonClass);
if (this._primaryKeyboardShortcut[buttonClass]) {
// If we have a valid keyboard shortcut description, then set it with the title.
button.setAttribute('title', M.util.get_string('plugin_title_shortcut', 'editor_atto', {
title: title,
shortcut: this._primaryKeyboardShortcut[buttonClass]
}));
}
}
// Handle highlighting of the button.
if (config.tags) {
var tagMatchRequiresAll = true;
if (typeof config.tagMatchRequiresAll === 'boolean') {
tagMatchRequiresAll = config.tagMatchRequiresAll;
}
this._buttonHandlers.push(
host.on(['atto:selectionchanged', 'change'], function(e) {
if (typeof this._highlightQueue[config.buttonName] !== 'undefined') {
this._highlightQueue[config.buttonName].cancel();
}
// Async the highlighting.
this._highlightQueue[config.buttonName] = Y.soon(Y.bind(function(e) {
if (host.selectionFilterMatches(config.tags, e.selectedNodes, tagMatchRequiresAll)) {
this.highlightButtons(config.buttonName);
} else {
this.unHighlightButtons(config.buttonName);
}
}, this, e));
}, this)
);
}
// Add the button reference to the buttons array for later reference.
this.buttonNames.push(config.buttonName);
this.buttons[config.buttonName] = button;
this.buttonStates[config.buttonName] = this.ENABLED;
return button;
},
/**
* Add a basic button which ties into the execCommand.
*
* See {{#crossLink "M.editor_atto.EditorPluginButtons/addButton:method"}}addButton{{/crossLink}}
* for full details of the optional parameters.
*
* @method addBasicButton
* @param {object} config The button configuration
* @param {string} config.exec The execCommand to call on the document.
* @param {string} [config.iconurl] The URL for the icon. If not specified, then the icon and component will be used instead.
* @param {string} [config.icon] The icon identifier.
* @param {string} [config.iconComponent='core'] The icon component.
* @param {string} [config.keys] The shortcut key that can call this plugin from the keyboard.
* @param {string} [config.tags] The tags that trigger this button to be highlighted.
* @param {boolean} [config.tagMatchRequiresAll=false] Working in combination with the tags parameter, highlight
* this button when any match is good enough.
*
* See {{#crossLink "M.editor_atto.EditorSelection/selectionFilterMatches:method"}}{{/crossLink}} for more information.
* @param {string} [config.title=this.name] The string identifier in the plugin's language file.
* @param {string} [config.buttonName=this.name] The name of the button. This is used in the buttons object, and if
* specified, in the class for the button.
* @return {Node} The Node representing the newly created button.
*/
addBasicButton: function(config) {
if (!config.exec) {
Y.log('No exec command specified. Cannot proceed.',
'warn', 'moodle-editor_atto-plugin');
return null;
}
// The default icon - true for most core plugins.
if (!config.icon) {
config.icon = 'e/' + config.exec;
}
// The default callback.
config.callback = function() {
document.execCommand(config.exec, false, null);
// And mark the text area as updated.
this.markUpdated();
};
// Return the newly created button.
return this.addButton(config);
},
/**
* Add a menu for this plugin to the editor toolbar.
*
* @method addToolbarMenu
* @param {object} config The configuration for this button
* @param {string} [config.iconurl] The URL for the icon. If not specified, then the icon and component will be used instead.
* @param {string} [config.icon] The icon identifier.
* @param {string} [config.iconComponent='core'] The icon component.
* @param {string} [config.title=this.name] The string identifier in the plugin's language file.
* @param {string} [config.buttonName=this.name] The name of the button. This is used in the buttons object, and if
* specified, in the class for the button.
* @param {function} config.callback A callback function to call when the button is clicked.
* @param {object} [config.callbackArgs] Any arguments to pass to the callback.
* @param {boolean} [config.inlineFormat] Delay callback for text input if selection is collapsed.
* @param {array} config.entries List of menu entries with the string (entry.text) and the handlers (entry.handler).
* @param {number} [config.overlayWidth=14] The width of the menu. This will be suffixed with the 'em' unit.
* @param {string} [config.menuColor] menu icon background color
* @return {Node} The Node representing the newly created button.
*/
addToolbarMenu: function(config) {
var group = this.get('group'),
pluginname = this.name,
buttonClass = 'atto_' + pluginname + '_button',
button,
currentFocus;
if (!config.buttonName) {
// Set a default button name - this is used as an identifier in the button object.
config.buttonName = pluginname;
} else {
buttonClass = buttonClass + '_' + config.buttonName;
}
config.buttonClass = buttonClass;
// Normalize icon configuration.
config = this._normalizeIcon(config);
if (!config.title) {
config.title = 'pluginname';
}
var title = M.util.get_string(config.title, 'atto_' + pluginname);
if (!config.menuColor) {
config.menuColor = 'transparent';
}
// Create the actual button.
var id = 'atto_' + pluginname + '_menubutton_' + Y.stamp(this);
var template = Y.Handlebars.compile(MENUTEMPLATE);
button = Y.Node.create(template({
buttonClass: buttonClass,
config: config,
title: title,
id: id
}));
// Add this button id to the config. It will be used in the menu later.
config.buttonId = id;
window.require(['core/templates'], function(Templates) {
Templates.renderPix(config.icon, config.iconComponent, title).then(function(iconhtml) {
button.one(CSS.MENUICON).append(iconhtml);
});
Templates.renderPix('t/expanded', 'core', '').then(function(iconhtml) {
button.one(CSS.MENUEXPAND).append(iconhtml);
});
});
// Append it to the group.
group.append(button);
currentFocus = this.toolbar.getAttribute('aria-activedescendant');
if (!currentFocus) {
// Initially set the first button in the toolbar to be the default on keyboard focus.
button.setAttribute('tabindex', '0');
this.toolbar.setAttribute('aria-activedescendant', button.generateID());
}
// Add the standard click handler to the menu.
this._buttonHandlers.push(
this.toolbar.delegate('click', this._showToolbarMenu, '.' + buttonClass, this, config),
this.toolbar.delegate('key', this._showToolbarMenuAndFocus, '40, 32, enter', '.' + buttonClass, this, config)
);
// Add the button reference to the buttons array for later reference.
this.buttonNames.push(config.buttonName);
this.buttons[config.buttonName] = button;
this.buttonStates[config.buttonName] = this.ENABLED;
return button;
},
/**
* Display a toolbar menu.
*
* @method _showToolbarMenu
* @param {EventFacade} e
* @param {object} config The configuration for the whole toolbar.
* @param {Number} [config.overlayWidth=14] The width of the menu
* @private
*/
_showToolbarMenu: function(e, config) {
// Prevent default primarily to prevent arrow press changes.
e.preventDefault();
if (!this.isEnabled()) {
// Exit early if the plugin is disabled.
return;
}
var menuButton = e.currentTarget.ancestor('button', true);
if (menuButton.hasAttribute(DISABLED)) {
// Exit early if the clicked button was disabled.
return;
}
var menuDialogue;
if (!this.menus[config.buttonClass]) {
if (!config.overlayWidth) {
config.overlayWidth = '14';
}
if (!config.innerOverlayWidth) {
config.innerOverlayWidth = parseInt(config.overlayWidth, 10) - 2 + 'em';
}
config.overlayWidth = parseInt(config.overlayWidth, 10) + 'em';
this.menus[config.buttonClass] = new Y.M.editor_atto.Menu(config);
this.menus[config.buttonClass].get('contentBox').delegate('click',
this._chooseMenuItem, '.atto_menuentry a', this, config);
}
// Clear the focusAfterHide for any other menus which may be open.
Y.Array.each(this.get('host').openMenus, function(menu) {
menu.set('focusAfterHide', null);
});
// Ensure that we focus on this button next time.
var creatorButton = this.buttons[config.buttonName];
creatorButton.focus();
this.get('host')._setTabFocus(creatorButton);
// Get a reference to the menu dialogue.
menuDialogue = this.menus[config.buttonClass];
// Focus on the button by default after hiding this menu.
menuDialogue.set('focusAfterHide', creatorButton);
// Display the menu.
menuDialogue.show();
// Indicate that the menu is expanded.
menuButton.setAttribute("aria-expanded", true);
// Position it next to the button which opened it.
menuDialogue.align(this.buttons[config.buttonName], [Y.WidgetPositionAlign.TL, Y.WidgetPositionAlign.BL]);
this.get('host').openMenus = [menuDialogue];
},
/**
* Display a toolbar menu and focus upon the first item.
*
* @method _showToolbarMenuAndFocus
* @param {EventFacade} e
* @param {object} config The configuration for the whole toolbar.
* @param {Number} [config.overlayWidth=14] The width of the menu
* @private
*/
_showToolbarMenuAndFocus: function(e, config) {
this._showToolbarMenu(e, config);
// Focus on the first element in the menu.
this.menus[config.buttonClass].get('boundingBox').one('a').focus();
},
/**
* Select a menu item and call the appropriate callbacks.
*
* @method _chooseMenuItem
* @param {EventFacade} e
* @param {object} config
* @param {M.core.dialogue} menuDialogue The Dialogue to hide.
* @private
*/
_chooseMenuItem: function(e, config, menuDialogue) {
// Get the index from the clicked anchor.
var index = e.target.ancestor('a', true).getData('index'),
// And the normalized callback configuration.
buttonConfig = this._normalizeCallback(config.items[index], config.globalItemConfig);
menuDialogue = this.menus[config.buttonClass];
// Prevent the dialogue to be closed because of some browser weirdness.
menuDialogue.set('preventHideMenu', true);
// Call the callback for this button.
buttonConfig.callback(e, buttonConfig._callback, buttonConfig.callbackArgs);
// Cancel the hide menu prevention.
menuDialogue.set('preventHideMenu', false);
// Set the focus after hide so that focus is returned to the editor and changes are made correctly.
menuDialogue.set('focusAfterHide', this.get('host').editor);
menuDialogue.hide(e);
},
/**
* Normalize and sanitize the configuration variables relating to callbacks.
*
* @method _normalizeCallback
* @param {object} config
* @param {function} config.callback A callback function to call when the button is clicked.
* @param {object} [config.callbackArgs] Any arguments to pass to the callback.
* @param {boolean} [config.inlineFormat] Delay callback for text input if selection is collapsed.
* @param {object} [inheritFrom] A parent configuration that this configuration may inherit from.
* @return {object} The normalized configuration
* @private
*/
_normalizeCallback: function(config, inheritFrom) {
if (config._callbackNormalized) {
// Return early if the callback has already been normalized.
return config;
}
if (!inheritFrom) {
// Create an empty inheritFrom to make life easier below.
inheritFrom = {};
}
// First we wrap the callback in function to handle formating of text inserted into collapsed selection.
config.inlineFormat = config.inlineFormat || inheritFrom.inlineFormat;
config._inlineCallback = config.callback || inheritFrom.callback;
config._callback = config.callback || inheritFrom.callback;
if (config.inlineFormat && typeof config._inlineCallback === 'function') {
config._callback = function(e, args) {
this.get('host').applyFormat(e, config._inlineCallback, this, args);
};
}
// We wrap the callback in function to prevent the default action, check whether the editor is
// active and focus it, and then mark the field as updated.
config.callback = Y.rbind(this._callbackWrapper, this, config._callback, config.callbackArgs);
config._callbackNormalized = true;
return config;
},
/**
* Normalize and sanitize the configuration variables relating to icons.
*
* @method _normalizeIcon
* @param {object} config
* @param {string} [config.iconurl] The URL for the icon. If not specified, then the icon and component will be used instead.
* @param {string} [config.icon] The icon identifier.
* @param {string} [config.iconComponent='core'] The icon component.
* @return {object} The normalized configuration
* @private
*/
_normalizeIcon: function(config) {
if (!config.iconurl) {
// The default icon component.
if (!config.iconComponent || config.iconComponent == 'moodle') {
config.iconComponent = 'core';
}
config.iconurl = M.util.image_url(config.icon, config.iconComponent);
}
return config;
},
/**
* A wrapper in which to run the callbacks.
*
* This handles common functionality such as:
* <ul>
* <li>preventing the default action; and</li>
* <li>focusing the editor if relevant.</li>
* </ul>
*
* @method _callbackWrapper
* @param {EventFacade} e
* @param {Function} callback The function to call which makes the relevant changes.
* @param {Array} [callbackArgs] The arguments passed to this callback.
* @return {Mixed} The value returned by the callback.
* @private
*/
_callbackWrapper: function(e, callback, callbackArgs) {
e.preventDefault();
if (!this.isEnabled()) {
// Exit early if the plugin is disabled.
return;
}
var creatorButton = e.currentTarget.ancestor('button', true);
if (creatorButton && creatorButton.hasAttribute(DISABLED)) {
// Exit early if the clicked button was disabled.
return;
}
if (!(YUI.Env.UA.android || this.get('host').isActive())) {
// We must not focus for Android here, even if the editor is not active because the keyboard auto-completion
// changes the cursor position.
// If we save that change, then when we restore the change later we get put in the wrong place.
// Android is fine to save the selection without the editor being in focus.
this.get('host').focus();
}
// Save the selection.
this.get('host').saveSelection();
// Ensure that we focus on this button next time.
if (creatorButton) {
this.get('host')._setTabFocus(creatorButton);
}
// Build the arguments list, but remove the callback we're calling.
var args = [e, callbackArgs];
// Restore selection before making changes.
this.get('host').restoreSelection();
// Actually call the callback now.
return callback.apply(this, args);
},
/**
* Add a keyboard listener to call the callback.
*
* The keyConfig will take either an array of keyConfigurations, in
* which case _addKeyboardListener is called multiple times; an object
* containing an optional eventtype, optional container, and a set of
* keyCodes, or just a string containing the keyCodes. When keyConfig is
* not an object, it is wrapped around a function that ensures that
* only the expected key modifiers were used. For instance, it checks
* that space+ctrl is not triggered when the user presses ctrl+shift+space.
* When using an object, the developer should check that manually.
*
* @method _addKeyboardListener
* @param {function} callback
* @param {array|object|string} keyConfig
* @param {string} [keyConfig.eventtype=key] The type of event
* @param {string} [keyConfig.container=.editor_atto_content] The containing element.
* @param {string} keyConfig.keyCodes The keycodes to user for the event.
* @private
*
*/
_addKeyboardListener: function(callback, keyConfig, buttonName) {
var eventtype = 'key',
container = CSS.EDITORWRAPPER,
keys,
handler,
modifier;
if (Y.Lang.isArray(keyConfig)) {
// If an Array was specified, call the add function for each element.
Y.Array.each(keyConfig, function(config) {
this._addKeyboardListener(callback, config);
}, this);
return this;
} else if (typeof keyConfig === "object") {
if (keyConfig.eventtype) {
eventtype = keyConfig.eventtype;
}
if (keyConfig.container) {
container = keyConfig.container;
}
// Must be specified.
keys = keyConfig.keyCodes;
handler = callback;
} else {
modifier = this._getDefaultMetaKey();
keys = this._getKeyEvent() + keyConfig + '+' + modifier;
if (typeof this._primaryKeyboardShortcut[buttonName] === 'undefined') {
this._primaryKeyboardShortcut[buttonName] = this._getDefaultMetaKeyDescription(keyConfig);
}
// Wrap the callback into a handler to check if it uses the specified modifiers, not more.
handler = Y.bind(function(modifiers, e) {
if (this._eventUsesExactKeyModifiers(modifiers, e)) {
callback.apply(this, [e]);
}
}, this, [modifier]);
}
this._buttonHandlers.push(
this.editor.delegate(
eventtype,
handler,
keys,
container,
this
)
);
Y.log('Atto shortcut registered: ' + keys + ' now triggers for ' + buttonName,
'debug', LOGNAME);
},
/**
* Checks if a key event was strictly defined for the modifiers passed.
*
* @method _eventUsesExactKeyModifiers
* @param {Array} modifiers List of key modifiers to check for (alt, ctrl, meta or shift).
* @param {EventFacade} e The event facade.
* @return {Boolean} True if the event was stricly using the modifiers specified.
*/
_eventUsesExactKeyModifiers: function(modifiers, e) {
var exactMatch = true,
hasKey;
if (e.type !== 'key') {
return false;
}
hasKey = Y.Array.indexOf(modifiers, 'alt') > -1;
exactMatch = exactMatch && ((e.altKey && hasKey) || (!e.altKey && !hasKey));
hasKey = Y.Array.indexOf(modifiers, 'ctrl') > -1;
exactMatch = exactMatch && ((e.ctrlKey && hasKey) || (!e.ctrlKey && !hasKey));
hasKey = Y.Array.indexOf(modifiers, 'meta') > -1;
exactMatch = exactMatch && ((e.metaKey && hasKey) || (!e.metaKey && !hasKey));
hasKey = Y.Array.indexOf(modifiers, 'shift') > -1;
exactMatch = exactMatch && ((e.shiftKey && hasKey) || (!e.shiftKey && !hasKey));
return exactMatch;
},
/**
* Determine if this plugin is enabled, based upon the state of it's buttons.
*
* @method isEnabled
* @return {boolean}
*/
isEnabled: function() {
// The first instance of an undisabled button will make this return true.
var found = Y.Object.some(this.buttonStates, function(button) {
return (button === this.ENABLED);
}, this);
return found;
},
/**
* Enable one button, or all buttons relating to this Plugin.
*
* If no button is specified, all buttons are disabled.
*
* @method disableButtons
* @param {String} [button] The name of a specific plugin to enable.
* @chainable
*/
disableButtons: function(button) {
return this._setButtonState(false, button);
},
/**
* Enable one button, or all buttons relating to this Plugin.
*
* If no button is specified, all buttons are enabled.
*
* @method enableButtons
* @param {String} [button] The name of a specific plugin to enable.
* @chainable
*/
enableButtons: function(button) {
return this._setButtonState(true, button);
},
/**
* Set the button state for one button, or all buttons associated with this plugin.
*
* @method _setButtonState
* @param {Boolean} enable Whether to enable this button.
* @param {String} [button] The name of a specific plugin to set state for.
* @chainable
* @private
*/
_setButtonState: function(enable, button) {
var attributeChange = 'setAttribute';
if (enable) {
attributeChange = 'removeAttribute';
}
if (button) {
if (this.buttons[button]) {
this.buttons[button][attributeChange](DISABLED, DISABLED);
this.buttonStates[button] = enable ? this.ENABLED : this.DISABLED;
}
} else {
Y.Array.each(this.buttonNames, function(button) {
this.buttons[button][attributeChange](DISABLED, DISABLED);
this.buttonStates[button] = enable ? this.ENABLED : this.DISABLED;
}, this);
}
this.get('host').checkTabFocus();
return this;
},
/**
* Highlight a button, or buttons in the toolbar.
*
* If no button is specified, all buttons are highlighted.
*
* @method highlightButtons
* @param {string} [button] If a plugin has multiple buttons, the specific button to highlight.
* @chainable
*/
highlightButtons: function(button) {
return this._changeButtonHighlight(true, button);
},
/**
* Un-highlight a button, or buttons in the toolbar.
*
* If no button is specified, all buttons are un-highlighted.
*
* @method unHighlightButtons
* @param {string} [button] If a plugin has multiple buttons, the specific button to highlight.
* @chainable
*/
unHighlightButtons: function(button) {
return this._changeButtonHighlight(false, button);
},
/**
* Highlight a button, or buttons in the toolbar.
*
* @method _changeButtonHighlight
* @param {boolean} highlight true
* @param {string} [button] If a plugin has multiple buttons, the specific button to highlight.
* @protected
* @chainable
*/
_changeButtonHighlight: function(highlight, button) {
var method = 'addClass';
if (!highlight) {
method = 'removeClass';
}
if (button) {
if (this.buttons[button]) {
this.buttons[button][method](HIGHLIGHT);
this._buttonHighlightToggled(button, highlight);
}
} else {
Y.Object.each(this.buttons, function(button) {
button[method](HIGHLIGHT);
this._buttonHighlightToggled(button, highlight);
}, this);
}
return this;
},
/**
* Fires a custom event that notifies listeners that a button's highlight has been toggled.
*
* @param {String} buttonName The button name.
* @param {Boolean} highlight True when the button was highlighted. False, otherwise.
* @private
*/
_buttonHighlightToggled: function(buttonName, highlight) {
var toggledButton = this.buttons[buttonName];
if (toggledButton) {
// Fire an event that the button highlight was toggled.
require(['editor_atto/events'], function(attoEvents) {
attoEvents.notifyButtonHighlightToggled(toggledButton.getDOMNode(), buttonName, highlight);
});
}
},
/**
* Get the default meta key to use with keyboard events.
*
* On a Mac, this will be the 'meta' key for Command; otherwise it will
* be the Control key.
*
* @method _getDefaultMetaKey
* @return {string}
* @private
*/
_getDefaultMetaKey: function() {
if (Y.UA.os === 'macintosh') {
return 'meta';
} else {
return 'ctrl';
}
},
/**
* Get the user-visible description of the meta key to use with keyboard events.
*
* On a Mac, this will be 'Command' ; otherwise it will be 'Control'.
*
* @method _getDefaultMetaKeyDescription
* @return {string}
* @private
*/
_getDefaultMetaKeyDescription: function(keyCode) {
if (Y.UA.os === 'macintosh') {
return M.util.get_string('editor_command_keycode', 'editor_atto', String.fromCharCode(keyCode).toLowerCase());
} else {
return M.util.get_string('editor_control_keycode', 'editor_atto', String.fromCharCode(keyCode).toLowerCase());
}
},
/**
* Get the standard key event to use for keyboard events.
*
* @method _getKeyEvent
* @return {string}
* @private
*/
_getKeyEvent: function() {
return 'down:';
}
};
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Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists