web_frontend/actor.js

   1 //
   2 // Armadillo File Manager
   3 // Copyright (c) 2010, Robert Sesek <http://www.bluestatic.org>
   4 //
   5 // This program is free software: you can redistribute it and/or modify it under
   6 // the terms of the GNU General Public License as published by the Free Software
   7 // Foundation, either version 3 of the License, or any later version.
   8 //
   9
  10 goog.provide('armadillo.Actor');
  11
  12 goog.require('goog.array');
  13 goog.require('goog.dom');
  14 goog.require('goog.events');
  15 goog.require('goog.positioning.ClientPosition');
  16 goog.require('goog.positioning.Corner');
  17 goog.require('goog.ui.Popup');
  18
  19 /**
  20  * The Actor is a popup that displays the various actions that can be performed
  21  * on a given File.
  22  * @constructor
  23  */
  24 armadillo.Actor = function() {
  25   goog.Disposable.call(this);
  26   this.element_ = this.createElement_();
  27   this.popup_ = new goog.ui.Popup(this.element_);
  28   armadillo.Actor.actors_.push(this);
  29 }
  30 goog.inherits(armadillo.Actor, goog.Disposable);
  31
  32 /**
  33  * An array of all the Actors that have been created.
  34  */
  35 armadillo.Actor.actors_ = new Array();
  36
  37 /**
  38  * The different options that the Actor can perform.
  39  */
  40 armadillo.Actor.options_ = {
  41   OPEN : 'open',
  42   MOVE : 'move',
  43   RENAME : 'rename',
  44   DELETE : 'delete'
  45 };
  46
  47 /**
  48  * String values for the options.
  49  */
  50 armadillo.Actor.optionStrings_ = {
  51   'open' : 'Open',
  52   'move' : 'Move',
  53   'rename' : 'Rename',
  54   'delete' : 'Delete'
  55 };
  56
  57 /**
  58  * A global property that should be checked to see if an actor is present,
  59  * creating a modal session.
  60  */
  61 armadillo.Actor.isModal = function() {
  62   var isVisible = false;
  63   goog.array.forEach(armadillo.Actor.actors_, function (e) {
  64     isVisible |= e.popup_.isVisible();
  65   });
  66   return isVisible;
  67 };
  68
  69 /**
  70  * Disposer
  71  * @protected
  72  */
  73 armadillo.Actor.prototype.disposeInternal = function() {
  74   armadillo.Actor.superClass_.disposeInternal.call(this);
  75
  76   // Unlisten the tiles.
  77   var tiles = goog.dom.getElementsByClassName('tile', this.element_);
  78   goog.array.forEach(tiles, function (tile) {
  79     goog.events.unlistenByKey(tile.actorListener);
  80   });
  81
  82   // Remove the actor display element.
  83   goog.dom.removeNode(this.element_);
  84   this.element_ = null;
  85
  86   // Kill the popup.
  87   this.popup_.dispose();
  88   this.popup_ = null;
  89
  90   // Remove the actor from the list.
  91   goog.array.remove(armadillo.Actor.actors_, this);
  92 };
  93
  94 /**
  95  * Shows the popup.
  96  * @param  {int}  x  The X position to show at
  97  * @param  {int}  y  The Y position to show at
  98  */
  99 armadillo.Actor.prototype.show = function(x, y) {
 100   if (armadillo.Actor.isModal())
 101     return;
 102   var firstBodyElement = goog.dom.getFirstElementChild(document.body);
 103   goog.dom.insertSiblingBefore(this.element_, firstBodyElement);
 104   this.popup_.setPinnedCorner(goog.positioning.Corner.TOP_LEFT);
 105   this.popup_.setPosition(new goog.positioning.ClientPosition(x, y));
 106   this.popup_.setHideOnEscape(true);
 107   this.popup_.setVisible(true);
 108 };
 109
 110 /**
 111  * Hides the popup.
 112  */
 113 armadillo.Actor.prototype.hide = function() {
 114   this.popup_.setVisible(false);
 115 };
 116
 117 /**
 118  * Creates the DOM Element that is inserted into the popup.
 119  * @returns  Element
 120  */
 121 armadillo.Actor.prototype.createElement_ = function() {
 122   var root = goog.dom.createDom('div', 'actor');
 123   for (var option in armadillo.Actor.options_) {
 124     var tile = goog.dom.createDom('div', 'tile');
 125     var value = armadillo.Actor.options_[option];
 126     var title = goog.dom.createDom('span', 'title',
 127         armadillo.Actor.optionStrings_[value]);
 128     goog.dom.appendChild(tile, title);
 129     goog.dom.appendChild(root, tile);
 130     tile.actorOption = value;
 131     tile.actorListener = goog.events.listen(tile, goog.events.EventType.CLICK,
 132         this.tileClickHandler_, false, this);
 133   }
 134   return root;
 135 };
 136
 137 /**
 138  * Click handler for individual tiles.
 139  * @param  {Event}  e
 140  */
 141 armadillo.Actor.prototype.tileClickHandler_ = function(e) {
 142   if (e.target.actorOption == armadillo.Actor.options_.DELETE) {
 143     console.log("DELETE DELETE DELETE");
 144   }
 145   console.log('You clicked ' + e.target.actorOption);
 146 };