/*****************************************************************************
 * ScribeEngine - Open Source Blog Software                                  *
 * ------------------------------------------------------------------------- *
 * Copyright (c) 2010 Raoul Snyman                                           *
 * ------------------------------------------------------------------------- *
 * This program 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; version 2 of the License.                       *
 *                                                                           *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,   *
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA                     *
 *****************************************************************************/

window["ScribeEngine"] = {
  Namespace: {
    /**
     * Create a Javascript namespace.
     * Based on: http://code.google.com/p/namespacedotjs/
     * Idea behind this is to created nested namespaces that are not ugly.
     * Example:
     *                Namespace(foo.bar);
     *                foo.bar..myFunction = function ()  {   }  ;
     */
    create: function (name, attributes) {
      var parts = name.split('.'),
      ns = window,
      i = 0;
      // find the deepest part of the namespace
      // that is already defined
      for(; i < parts.length && parts[i] in ns; i++)
        ns = ns[parts[i]];
      // initialize any remaining parts of the namespace
      for(; i < parts.length; i++)
        ns = ns[parts[i]] = {};
      // copy the attributes into the namespace
      for (var attr in attributes)
        ns[attr] = attributes[attr];
    },
    exists: function (namespace) {
      /**
       * Determine the namespace of a page
       */
      page_namespace = $ScribeEngine.Namespace.get_page_namespace();
      return (namespace == page_namespace);
    },
    get_page_namespace: function () {
      return $("#content > h2").attr("id");
    }
  }
};

Array.prototype.append = function (elem) {
  this[this.length] = elem;
}

ScribeEngine.Namespace.create("ScribeEngine.Events", {
  // Local variables
  onload_functions: Array(),
  // Functions
  load: function (func) {
    this.onload_functions.append(func);
  },
  click: function (selector, func) {
    $(selector).bind("click", func);
  },
  change: function (selector, func) {
    $(selector).bind("change", func);
  },
  submit: function (selector, func) {
    $(selector).bind("submit", func);
  },
  blur: function (selector, func) {
    $(selector).bind("blur", func);
  },
  paste: function (selector, func) {
    $(selector).bind("paste", func);
  },
  keyup: function (selector, func) {
    $(selector).bind("keyup", func);
  },
  keydown: function (selector, func) {
    $(selector).bind("keydown", func);
  },
  keypress: function (selector, func) {
    $(selector).bind("keypress", func);
  },
  getElement: function(event) {
    var targ;
    if (!event) {
      var event = window.event;
    }
    if (event.target) {
      targ = event.target;
    }
    else if (event.srcElement) {
      targ = event.srcElement;
    }
    if (targ.nodeType == 3) {
      // defeat Safari bug
      targ = targ.parentNode;
    }
    return $(targ);
  },
  init: function () {
    for (idx in this.onload_functions) {
      func = this.onload_functions[idx];
      func();
    }
  }
});

ScribeEngine.Namespace.create("ScribeEngine.Widgets", {
  /**
   * Adds a datepicker to an element.
   */
    datepicker: function (selector)
    {
        $(selector).datepicker({showButtonPanel: true, dateFormat: "dd/mm/yy"});
    },
    tagEditor: function (selector)
    {
        $(selector).tagEditor({completeOnBlur: true, initialParse: true});
    },
    elastic: function (selector)
    {
        $(selector).elastic();
    },
    fileBrowser: function (field_name, url, type, win)
    {
        alert("Field_Name: " + field_name + "\nURL: " + url + "\nType: " + type + "\nWin: " + win); // debug/testing
        var cmsURL = window.location.toString();    // script URL - use an absolute path!
        if (cmsURL.indexOf("?") < 0)
        {
            //add the type as the only query parameter
            cmsURL = cmsURL + "?type=" + type;
        }
        else
        {
            //add the type as an additional query parameter
            // (PHP session ID is now included if there is one at all)
            cmsURL = cmsURL + "&type=" + type;
        }
        tinyMCE.activeEditor.windowManager.open(
            {
                file: "/media",
                title: "Media Library",
                width: 600,  // Your dimensions may differ - toy around with them!
                height: 400,
                resizable: "yes",
                inline: "yes",  // This parameter only has an effect if you use the inlinepopups plugin!
                close_previous: "no"
            },
            {
                window: win,
                input: field_name
            }
        );
        return false;
    },
    tinymce: function (selector)
    {
        $(selector).tinymce({
            script_url: "/scripts/tinymce/tiny_mce.js",
            theme: "advanced",
            dialog_type: "modal",
            theme_advanced_toolbar_location: "top",
            theme_advanced_toolbar_align: "left",
            theme_advanced_statusbar_location: "bottom",
            theme_advanced_resizing: true,
            theme_advanced_resize_horizontal: false,
            file_browser_callback: "ScribeEngine.Widgets.fileBrowser"
        });
    },
    tree: function (selector, data, onselect)
    {
        $(selector).tree({
            data:
            {
                type: "json",
                opts:
                {
                        static: data
                }
            },
            callback:
            {
                onselect: onselect
            }
        });
    }
});

ScribeEngine.Namespace.create("ScribeEngine.General", {
  /**
   * Fades out a message
   */
  fade_message: function ()
  {
    $("#message").hide().fadeIn("slow", function() {
      setTimeout("$('#message').fadeOut('slow');", 1500);
    });
  },
  /**
   * Checks for a message and fades it in and out.
   */
  show_message: function ()
  {
    if ($("#message"))
    {
      setTimeout("$ScribeEngine.General.fade_message()", 500);
    }
  },
  /**
   * Dynamically hide anything on the page that has a "jshidden" class.
   */
  hide_elements: function ()
  {
    $(".jshidden").hide();
  },
    /**
     * Go to a particular month or year on the calendar.
     */
    go_to_month: function (e)
    {
        var link = ScribeEngine.Events.getElement(e);
        $("#calendar_wrap").load(link.attr("href"), function() {
            ScribeEngine.Events.click("#next a", ScribeEngine.General.go_to_month);
            ScribeEngine.Events.click("#prev a", ScribeEngine.General.go_to_month);
        });
        return false;
    },
  /**
   * Do all the funny things required to toggle a fieldset
   */
  perform_toggle: function (fieldset)
  {
    content = $('> div', fieldset);
    if (fieldset.is('.collapsed'))
    {
      fieldset.removeClass('collapsed');
      content.slideDown('normal');
    }
    else
    {
      content.slideUp('normal',
        function()
        {
          fieldset.addClass('collapsed');
        }
      );
    }
  },
  /**
   * Find the fieldset to toggle, and then perform the toggle
   */
  toggle_fieldset: function ()
  {
    fieldset = $(this).parent().parent();
    $ScribeEngine.General.perform_toggle(fieldset);
    return false;
  },
  /**
   * Initialises collapsible fieldsets
   */
  init_fieldsets: function ()
  {
    $("fieldset.collapsible > legend").each(function() {
      legend = $(this);
      legend_text = legend.text();
      legend.text("");
      legend.append(
        $("<a>").attr("href", "#").attr("title", "Expand/collapse details")
          .text(legend_text).click($ScribeEngine.General.toggle_fieldset));
    });
    $("fieldset.collapsed").each(function() {
      $("> div.content", this).slideUp("normal");
    });
  },
  /**
   * Initialises elastic textareas
   */
  init_textareas: function ()
  {
    $("textarea").elastic();
  }
});

/**
 * Global onload
 *
 * This function below will be executed on all page views.
 */
ScribeEngine.Events.load(function () {
    ScribeEngine.Events.click("#next a", ScribeEngine.General.go_to_month);
    ScribeEngine.Events.click("#prev a", ScribeEngine.General.go_to_month);
});