web_frontend/file.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.File');
  11
  12 goog.require('armadillo.Actor');
  13 goog.require('goog.Disposable');
  14 goog.require('goog.dom');
  15
  16 /**
  17  * A file in a directory listing.
  18  * @param  {string}  File name.
  19  * @param  {string}  The path the file resides at.
  20  * @constructor
  21  */
  22 armadillo.File = function(name, path) {
  23   goog.Disposable.call(this);
  24   this.name_ = name;
  25   this.path_ = path;
  26   this.isDirectory_ = app.isDirectory(name);
  27 };
  28 goog.inherits(armadillo.File, goog.Disposable);
  29
  30 /**
  31  * Disposer
  32  * @protected
  33  */
  34 armadillo.File.prototype.disposeInternal = function() {
  35   armadillo.File.superClass_.disposeInternal.call(this);
  36   this.element_ = null;
  37   goog.events.unlistenByKey(this.clickListener_);
  38   goog.events.unlistenByKey(this.mouseOverListener_);
  39   goog.events.unlistenByKey(this.mouseOutListener_);
  40   this.button_ = null;
  41   goog.events.unlistenByKey(this.buttonListener_);
  42 };
  43
  44 /**
  45  * Returns the name of the file.
  46  * @returns string
  47  */
  48 armadillo.File.prototype.getName = function() {
  49   return this.name_;
  50 };
  51
  52 /**
  53  * Gets the fully qualified path of the file, from the root of the jail to the
  54  * name of the file.
  55  * @returns string
  56  */
  57 armadillo.File.prototype.getFullPath = function() {
  58   return this.path_ + this.name_;
  59 };
  60
  61 /**
  62  * Returns whether or not this is a directory.
  63  * @returns boolean
  64  */
  65 armadillo.File.prototype.isDirectory = function() {
  66   return this.isDirectory_;
  67 };
  68
  69 /**
  70  * Constructs the Elements that make up the UI.
  71  * @returns  {Element}  An element ready for insertion into DOM.
  72  */
  73 armadillo.File.prototype.draw = function() {
  74   // Create the element if it does not exist.  If it does, remove all children.
  75   if (!this.element_) {
  76     this.element_ = goog.dom.createElement('li');
  77     this.element_.representedObject = this;
  78     this.clickListener_ = goog.events.listen(this.element_,
  79         goog.events.EventType.CLICK, this.clickHandler_, false, this);
  80     if (!this.isSpecial_()) {
  81       this.mouseOverListener_ = goog.events.listen(this.element_,
  82           goog.events.EventType.MOUSEOVER, this.hoverHandler_, false, this);
  83       this.mouseOutListener_ = goog.events.listen(this.element_,
  84           goog.events.EventType.MOUSEOUT, this.hoverHandler_, false, this);
  85     }
  86   }
  87   goog.dom.removeChildren(this.element_);
  88
  89   // Set the name of the entry.
  90   goog.dom.setTextContent(this.element_, this.name_);
  91
  92   // Create the edit button.
  93   if (!this.isSpecial_()) {
  94     this.button_ = goog.dom.createElement('button');
  95     goog.dom.setTextContent(this.button_, 'Edit');
  96     goog.dom.appendChild(this.element_, this.button_);
  97     this.button_.style.display = 'none';
  98     this.buttonListener_ = goog.events.listen(this.button_,
  99         goog.events.EventType.CLICK, this.buttonClickHandler_, false, this);
 100   }
 101
 102   return this.element_;
 103 };
 104
 105 /**
 106  * Deletes the given file in the backend by sending a request.  On return, it
 107  * will re-query the directory.
 108  */
 109 armadillo.File.prototype.delete = function() {
 110   var file = this;
 111   var callback = function(data) {
 112     if (data['error']) {
 113       app.showError(data['message']);
 114       return;
 115     } else {
 116       app.clearError();
 117     }
 118     app.list(file.path_);
 119   };
 120   app.sendRequest('remove', {'path':this.path_ + this.name_}, callback);
 121 };
 122
 123 /**
 124  * Click handler for the list element.
 125  * @param  {Event}  e
 126  */
 127 armadillo.File.prototype.clickHandler_ = function(e) {
 128   if (armadillo.Actor.isModal()) {
 129     return;
 130   }
 131   if (this.isDirectory_) {
 132     app.navigate(this.name_);
 133   }
 134 };
 135
 136 /**
 137  * Hover event handler for the list element.  This can handle both mouseover
 138  * and mouseout events.
 139  * @param  {Event} e
 140  */
 141 armadillo.File.prototype.hoverHandler_ = function(e) {
 142   if (armadillo.Actor.isModal())
 143     return;
 144   var display = (e.type == goog.events.EventType.MOUSEOVER);
 145   this.button_.style.display = (display ? '' : 'none');
 146 };
 147
 148 /**
 149  * Click handler for the button element.
 150  * @param  {Event}  e
 151  */
 152 armadillo.File.prototype.buttonClickHandler_ = function(e) {
 153   if (armadillo.Actor.isModal())
 154     return;
 155   e.stopPropagation();
 156   var actor = new armadillo.Actor(this);
 157   actor.show(e.clientX, e.clientY);
 158 };
 159
 160 /**
 161  * Returns TRUE if this File is not a real file, but a special kind.
 162  * @returns boolean
 163  */
 164 armadillo.File.prototype.isSpecial_ = function() {
 165   return this.name_ == '../';
 166 };