/* <copyright>
Copyright (c) 2012, Motorola Mobility, Inc
All Rights Reserved.
BSD License.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

  - Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.
  - Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
  - Neither the name of Motorola Mobility nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
</copyright> */

/**
    @module "montage/ui/popup/confirm.reel"
    @requires montage/core/core
    @requires montage/ui/component
    @requires "montage/ui/popup/popup.reel"
*/

var Montage = require("montage").Montage;
var Component = require("ui/component").Component;
var Popup = require("ui/popup/popup.reel").Popup;

/**
 @class module:"montage/ui/popup/confirm.reel".Confirm
 @extends module:montage/ui/component.Component
 */

var Confirm = exports.Confirm = Montage.create(Component, /** @lends module:"montage/ui/popup/confirm.reel".Confirm# */ {
    hasTemplate: {value: true},

    title: {
        value: 'Confirm'
    },
    /**
        Text of message to display on the confirm popup
        @type {Property}
        @default {String} 'Are you sure?'
    */
    msg: {
        value: 'Are you sure?'
    },

    /**
        Text to display on the OK button
        @type {Property}
        @default {String} 'OK'
    */
    okLabel: {
        value: 'OK'
    },

    /**
        Text to display on the Cancel button
        @type {Property}
        @default {String} 'Cancel'
    */
    cancelLabel: {
        value: 'Cancel'
    },

/**
  Description TODO
  @private
*/
    _popup: {
        value: null
    },
/**
        Description TODO
        @type {Function}
        @default null
    */
    popup: {
        set: function(value) {
            this._popup = value;
        },
        get: function() {
            return this._popup;
        }
    },

    okCallback: {value: null},
    cancelCallback: {value: null},

    prepareForDraw: {
        value: function() {
            this.element.addEventListener("keyup", this, false);
        }
    },
/**
    Description TODO
    @function
    */
    draw: {
        value: function() {
        }
    },
/**
    Description TODO
    @function
    @param {Event} evt The event keyCode.
    */
    handleKeyup: {
        value: function(evt) {
            if (evt.keyCode == 13 /*Enter*/) {
                this.handleOkAction(evt);
            } else if (evt.keyCode == 27 /*Escape*/) {
                this.handleCancelAction(evt);
            }
        }
    },
/**
    Description TODO
    @function
    @param {Event} evt The event keyCode.
    */
    handleOkAction: {
        value: function(evt) {
            if(this.okCallback) {
                this.okCallback.call(this, evt);
            }
            var anEvent = document.createEvent("CustomEvent");
            anEvent.initCustomEvent("montage_confirm_ok", true, true, null);
            this.dispatchEvent(anEvent);

            this.popup.hide();
        }
    },
 /**
    Description TODO
    @function
    @param {Event} evt The event keyCode.
    */
    handleCancelAction: {
        value: function(evt) {
            if(this.cancelCallback) {
                this.cancelCallback.call(this, evt);
            }
            var anEvent = document.createEvent("CustomEvent");
            anEvent.initCustomEvent("montage_confirm_cancel", true, true, null);
            this.dispatchEvent(anEvent);

            this.popup.hide();
        }
    },

    // Static method to show a Confirmation dialog
    /**
     Displays a confirm dialog with OK and Cancel buttons.
     @function
     @param {String} msg A message to display in the dialog.
     @param {Function} okCallback Function that's invoked when the user clicks OK
     @param {Function} cancelCallback Function that's invoked if the user clicks Cancel.
     @example
     ...
     */
    show: {
        value: function(options, okCallback, cancelCallback) {
            var popup = this.application._confirmPopup, confirm;
            if(!popup) {
                popup = Popup.create();
                this.popup = popup;

                popup.type = 'confirm';
                popup.title = 'Confirmation';
                popup.modal = true;
                this.application._confirmPopup = popup;

                confirm = Confirm.create();
                popup.content = confirm;
            }

            confirm = popup.content;

            if (typeof(options) === "string") {
                confirm.msg = options;
                confirm.okLabel = "OK";
                confirm.cancelLabel = "Cancel";
            } else {
                confirm.msg = options.message;
                confirm.okLabel = options.okLabel || "OK";
                confirm.cancelLabel = options.cancelLabel || "Cancel";
            }

            confirm.okCallback = okCallback || null;
            confirm.cancelCallback = cancelCallback || null;

            popup.show();
        }
    }
});