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编辑当前文件:/home2/sdektunc/www/cepali/mod/assign/feedback/editpdf/yui/src/editor/js/dropdown.js

var DROPDOWN_NAME = "Dropdown menu",
    DROPDOWN;

/**
 * Provides an in browser PDF editor.
 *
 * @module moodle-assignfeedback_editpdf-editor
 */

/**
 * This is a drop down list of buttons triggered (and aligned to) a button.
 *
 * @namespace M.assignfeedback_editpdf
 * @class dropdown
 * @constructor
 * @extends M.core.dialogue
 */
DROPDOWN = function(config) {
    config.draggable = false;
    config.centered = false;
    config.width = 'auto';
    config.visible = false;
    config.footerContent = '';
    DROPDOWN.superclass.constructor.apply(this, [config]);
};

Y.extend(DROPDOWN, M.core.dialogue, {
    /**
     * Initialise the menu.
     *
     * @method initializer
     * @return void
     */
    initializer: function(config) {
        var button, body, headertext, bb;
        DROPDOWN.superclass.initializer.call(this, config);

bb = this.get('boundingBox');
        bb.addClass('assignfeedback_editpdf_dropdown');

// Align the menu to the button that opens it.
        button = this.get('buttonNode');

// Close the menu when clicked outside (excluding the button that opened the menu).
        body = this.bodyNode;

headertext = Y.Node.create('<h3/>');
        headertext.addClass('accesshide');
        headertext.setHTML(this.get('headerText'));
        body.prepend(headertext);

body.on('clickoutside', function(e) {
            if (this.get('visible')) {
                // Note: we need to compare ids because for some reason - sometimes button is an Object, not a Y.Node.
                if (e.target.get('id') !== button.get('id') && e.target.ancestor().get('id') !== button.get('id')) {
                    e.preventDefault();
                    this.hide();
                }
            }
        }, this);

button.on('click', function(e) {
            e.preventDefault(); this.show();
        }, this);
        button.on('key', this.show, 'enter,space', this);
    },

/**
     * Override the show method to align to the button.
     *
     * @method show
     * @return void
     */
    show: function() {
        var button = this.get('buttonNode'),
            result = DROPDOWN.superclass.show.call(this);
        this.align(button, [Y.WidgetPositionAlign.TL, Y.WidgetPositionAlign.BL]);

return result;
    }
}, {
    NAME: DROPDOWN_NAME,
    ATTRS: {
        /**
         * The header for the drop down (only accessible to screen readers).
         *
         * @attribute headerText
         * @type String
         * @default ''
         */
        headerText: {
            value: ''
        },

/**
         * The button used to show/hide this drop down menu.
         *
         * @attribute buttonNode
         * @type Y.Node
         * @default null
         */
        buttonNode: {
            value: null
        }
    }
});

Y.Base.modifyAttrs(DROPDOWN, {
    /**
     * Whether the widget should be modal or not.
     *
     * Moodle override: We override this for commentsearch to force it always false.
     *
     * @attribute Modal
     * @type Boolean
     * @default false
     */
    modal: {
        getter: function() {
            return false;
        }
    }
});

M.assignfeedback_editpdf = M.assignfeedback_editpdf || {};
M.assignfeedback_editpdf.dropdown = DROPDOWN;