From 9489adc5936fd516f3f6df91cfce3697b36e2cf1 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Tue, 02 Jun 2009 11:46:14 -0400
Subject: [PATCH] Fix list events used in drag&drop functionality (#1485890)

---
 program/js/list.js |  272 ++++++++++++++++++++++++++++++++----------------------
 1 files changed, 160 insertions(+), 112 deletions(-)

diff --git a/program/js/list.js b/program/js/list.js
index 62d4732..aa34546 100644
--- a/program/js/list.js
+++ b/program/js/list.js
@@ -3,7 +3,7 @@
  | RoundCube List Widget                                                 |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2006-2008, RoundCube Dev, - Switzerland                 |
+ | Copyright (C) 2006-2009, RoundCube Dev, - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  +-----------------------------------------------------------------------+
@@ -13,7 +13,7 @@
  | Requires: common.js                                                   |
  +-----------------------------------------------------------------------+
 
-  $Id: list.js 344 2006-09-18 03:49:28Z thomasb $
+  $Id$
 */
 
 
@@ -51,7 +51,6 @@
   this.drag_mouse_start = null;
   this.dblclick_time = 600;
   this.row_init = function(){};
-  this.events = { click:[], dblclick:[], select:[], keypress:[], dragstart:[], dragmove:[], dragend:[] };
   
   // overwrite default paramaters
   if (p && typeof(p)=='object')
@@ -99,12 +98,12 @@
 
 
 /**
- *
+ * Init list row and set mouse events on it
  */
 init_row: function(row)
 {
   // make references in internal array and set event handlers
-  if (row && String(row.id).match(/rcmrow([a-z0-9\-_=]+)/i))
+  if (row && String(row.id).match(/rcmrow([a-z0-9\-_=\+\/]+)/i))
   {
     var p = this;
     var uid = RegExp.$1;
@@ -124,7 +123,7 @@
 
 
 /**
- *
+ * Remove all list rows
  */
 clear: function(sel)
 {
@@ -155,11 +154,14 @@
 
 
 /**
- *
+ * Add row to the list and initialize it
  */
 insert_row: function(row, attop)
 {
-  var tbody = this.list.tBodies[0];
+  if (this.background)
+    var tbody = this.background;
+  else
+    var tbody = this.list.tBodies[0];
 
   if (attop && tbody.rows.length)
     tbody.insertBefore(row, tbody.firstChild);
@@ -181,10 +183,8 @@
   for (var n=0; n<this.selection.length; n++)
   {
     id = this.selection[n];
-    if (this.rows[id] && this.rows[id].obj)
-    {
-      this.set_classname(this.rows[id].obj, 'selected', true);
-      this.set_classname(this.rows[id].obj, 'unfocused', false);
+    if (this.rows[id] && this.rows[id].obj) {
+      $(this.rows[id].obj).addClass('selected').removeClass('unfocused');
     }
   }
 
@@ -203,10 +203,8 @@
   for (var n=0; n<this.selection.length; n++)
   {
     id = this.selection[n];
-    if (this.rows[id] && this.rows[id].obj)
-    {
-      this.set_classname(this.rows[id].obj, 'selected', false);
-      this.set_classname(this.rows[id].obj, 'unfocused', true);
+    if (this.rows[id] && this.rows[id].obj) {
+      $(this.rows[id].obj).removeClass('selected').addClass('unfocused');
     }
   }
 },
@@ -220,7 +218,7 @@
   // don't do anything (another action processed before)
   var evtarget = rcube_event.get_target(e);
   if (this.dont_select || (evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG')))
-    return false;
+    return true;
     
   // accept right-clicks
   if (rcube_event.get_button(e) == 2)
@@ -241,6 +239,36 @@
     this.drag_mouse_start = rcube_event.get_mouse_pos(e);
     rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'});
     rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'});
+
+    // add listener for iframes
+    var iframes = document.getElementsByTagName('IFRAME');
+    this.iframe_events = Object();
+    for (var n in iframes)
+    {
+      var iframedoc = null;
+      if (iframes[n].contentDocument)
+        iframedoc = iframes[n].contentDocument;
+      else if (iframes[n].contentWindow)
+        iframedoc = iframes[n].contentWindow.document;
+      else if (iframes[n].document)
+        iframedoc = iframes[n].document;
+
+      if (iframedoc)
+      {
+        var list = this;
+        var pos = $('#'+iframes[n].id).offset();
+        this.iframe_events[n] = function(e) { e._offset = pos; return list.drag_mouse_move(e); }
+
+        if (iframedoc.addEventListener)
+          iframedoc.addEventListener('mousemove', this.iframe_events[n], false);
+        else if (iframes[n].attachEvent)
+          iframedoc.attachEvent('onmousemove', this.iframe_events[n]);
+        else
+          iframedoc['onmousemove'] = this.iframe_events[n];
+
+        rcube_event.add_listener({element:iframedoc, event:'mouseup', object:this, method:'drag_mouse_up'});
+      }
+    }
   }
 
   return false;
@@ -255,10 +283,10 @@
   var now = new Date().getTime();
   var mod_key = rcube_event.get_modifier(e);
   var evtarget = rcube_event.get_target(e);
-  
+
   if ((evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG')))
-    return false;
-  
+    return true;
+
   // don't do anything (another action processed before)
   if (this.dont_select)
     {
@@ -277,9 +305,9 @@
 
   // row was double clicked
   if (this.rows && dblclicked && this.in_selection(id))
-    this.trigger_event('dblclick');
+    this.triggerEvent('dblclick');
   else
-    this.trigger_event('click');
+    this.triggerEvent('click');
 
   if (!this.drag_active)
     rcube_event.cancel(e);
@@ -325,7 +353,7 @@
     var rows = this.list.tBodies[0].rows;
 
     for(var i=rows.length-1; i>=0; i--)
-      if(rows[i].id && String(rows[i].id).match(/rcmrow([a-z0-9\-_=]+)/i) && this.rows[RegExp.$1] != null)
+      if(rows[i].id && String(rows[i].id).match(/rcmrow([a-z0-9\-_=\+\/]+)/i) && this.rows[RegExp.$1] != null)
 	return RegExp.$1;
     }
 
@@ -377,10 +405,10 @@
 
   // trigger event if selection changed
   if (this.selection.join(',') != select_before)
-    this.trigger_event('select');
+    this.triggerEvent('select');
 
   if (this.last_selected != 0 && this.rows[this.last_selected])
-    this.set_classname(this.rows[this.last_selected].obj, 'focused', false);
+    $(this.rows[this.last_selected].obj).removeClass('focused');
 
   // unselect if toggleselect is active and the same row was clicked again
   if (this.toggleselect && this.last_selected == id)
@@ -389,7 +417,7 @@
     id = null;
   }
   else
-    this.set_classname(this.rows[id].obj, 'focused', true);
+    $(this.rows[id].obj).addClass('focused');
 
   if (!this.selection.length)
     this.shift_start = null;
@@ -476,20 +504,48 @@
 
   // reset but remember selection first
   var select_before = this.selection.join(',');
-  this.clear_selection();
-
+  this.selection = new Array();
+  
   for (var n in this.rows)
   {
-    if (!filter || this.rows[n][filter]==true)
+    if (!filter || (this.rows[n] && this.rows[n][filter] == true))
     {
       this.last_selected = n;
       this.highlight_row(n, true);
+    }
+    else if (this.rows[n])
+    {
+      $(this.rows[n].obj).removeClass('selected').removeClass('unfocused');
     }
   }
 
   // trigger event if selection changed
   if (this.selection.join(',') != select_before)
-    this.trigger_event('select');
+    this.triggerEvent('select');
+
+  this.focus();
+
+  return true;
+},
+
+
+/**
+ * Invert selection
+ */
+invert_selection: function()
+{
+  if (!this.rows || !this.rows.length)
+    return false;
+
+  // remember old selection
+  var select_before = this.selection.join(',');
+  
+  for (var n in this.rows)
+    this.highlight_row(n, true);    
+
+  // trigger event if selection changed
+  if (this.selection.join(',') != select_before)
+    this.triggerEvent('select');
 
   this.focus();
 
@@ -508,27 +564,24 @@
   if (id)
     {
     for (var n=0; n<this.selection.length; n++)
-      if (this.selection[n] == id)
-        {
-	this.selection.splice(n,1);
-    	break;
-	}
+      if (this.selection[n] == id) {
+        this.selection.splice(n,1);
+        break;
+      }
     }
   // all rows
   else
     {
     for (var n=0; n<this.selection.length; n++)
-      if (this.rows[this.selection[n]])
-        {
-        this.set_classname(this.rows[this.selection[n]].obj, 'selected', false);
-        this.set_classname(this.rows[this.selection[n]].obj, 'unfocused', false);
+      if (this.rows[this.selection[n]]) {
+        $(this.rows[this.selection[n]].obj).removeClass('selected').removeClass('unfocused');
         }
     
     this.selection = new Array();
     }
 
   if (num_select && !this.selection.length)
-    this.trigger_event('select');
+    this.triggerEvent('select');
 },
 
 
@@ -564,7 +617,7 @@
     {
       this.clear_selection();
       this.selection[0] = id;
-      this.set_classname(this.rows[id].obj, 'selected', true);
+      $(this.rows[id].obj).addClass('selected');
     }
   }
   else if (this.rows[id])
@@ -572,7 +625,7 @@
     if (!this.in_selection(id))  // select row
     {
       this.selection[this.selection.length] = id;
-      this.set_classname(this.rows[id].obj, 'selected', true);
+      $(this.rows[id].obj).addClass('selected');
     }
     else  // unselect row
     {
@@ -580,8 +633,7 @@
       var a_pre = this.selection.slice(0, p);
       var a_post = this.selection.slice(p+1, this.selection.length);
       this.selection = a_pre.concat(a_post);
-      this.set_classname(this.rows[id].obj, 'selected', false);
-      this.set_classname(this.rows[id].obj, 'unfocused', false);
+      $(this.rows[id].obj).removeClass('selected').removeClass('unfocused');
     }
   }
 },
@@ -597,6 +649,7 @@
 
   var keyCode = rcube_event.get_keycode(e);
   var mod_key = rcube_event.get_modifier(e);
+
   switch (keyCode)
   {
     case 40:
@@ -609,7 +662,7 @@
     default:
       this.shiftkey = e.shiftKey;
       this.key_pressed = keyCode;
-      this.trigger_event('keypress');
+      this.triggerEvent('keypress');
       
       if (this.key_pressed == this.BACKSPACE_KEY)
         return rcube_event.cancel(e);
@@ -625,6 +678,9 @@
 {
   switch (rcube_event.get_keycode(e))
   {
+    case 27:
+      if (this.drag_active)
+	this.drag_mouse_up(e);
     case 40:
     case 38: 
     case 63233:
@@ -689,12 +745,13 @@
   {
     // check mouse movement, of less than 3 pixels, don't start dragging
     var m = rcube_event.get_mouse_pos(e);
+
     if (!this.drag_mouse_start || (Math.abs(m.x - this.drag_mouse_start.x) < 3 && Math.abs(m.y - this.drag_mouse_start.y) < 3))
       return false;
   
     if (!this.draglayer)
-      this.draglayer = new rcube_layer('rcmdraglayer', {x:0, y:0, vis:0, zindex:2000});
-  
+      this.draglayer = $('<div>').attr('id', 'rcmdraglayer').css({ position:'absolute', display:'none', 'z-index':2000 }).appendTo(document.body);
+
     // get subjects of selectedd messages
     var names = '';
     var c, i, node, subject, obj;
@@ -718,8 +775,17 @@
             if (((node = obj.childNodes[i].firstChild) && (node.nodeType==3 || node.nodeName=='A')) &&
               (this.subject_col < 0 || (this.subject_col >= 0 && this.subject_col == c)))
             {
+	      if (n == 0) {
+	        if (node.nodeType == 3)
+		  this.drag_start_pos = $(obj.childNodes[i]).offset();
+		else
+                  this.drag_start_pos = $(node).offset();
+	      }
               subject = node.nodeType==3 ? node.data : node.innerHTML;
-              names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />';
+	      // remove leading spaces
+	      subject = subject.replace(/^\s+/i, '');
+              // truncate line to 50 characters
+	      names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />';
               break;
             }
             c++;
@@ -728,18 +794,18 @@
       }
     }
 
-    this.draglayer.write(names);
-    this.draglayer.show(1);
+    this.draglayer.html(names);
+    this.draglayer.show();
 
     this.drag_active = true;
-    this.trigger_event('dragstart');
+    this.triggerEvent('dragstart');
   }
 
   if (this.drag_active && this.draglayer)
   {
     var pos = rcube_event.get_mouse_pos(e);
-    this.draglayer.move(pos.x+20, pos.y-5);
-    this.trigger_event('dragmove', e);
+    this.draglayer.css({ left:(pos.x+20)+'px', top:(pos.y-5 + (bw.ie ? document.documentElement.scrollTop : 0))+'px' });
+    this.triggerEvent('dragmove', e?e:window.event);
   }
 
   this.drag_start = false;
@@ -755,80 +821,62 @@
 {
   document.onmousemove = null;
 
-  if (this.draglayer && this.draglayer.visible)
-    this.draglayer.show(0);
+  if (this.draglayer && this.draglayer.is(':visible')) {
+    if (this.drag_start_pos)
+      this.draglayer.animate(this.drag_start_pos, 300, 'swing').hide(20);
+    else
+      this.draglayer.hide();
+  }
 
   this.drag_active = false;
-  this.trigger_event('dragend');
+  this.triggerEvent('dragend');
 
   rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'});
   rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'});
 
-  this.focus();
-  
+  var iframes = document.getElementsByTagName('IFRAME');
+  for (var n in iframes) {
+    var iframedoc;
+    
+    if (iframes[n].contentDocument)
+      iframedoc = iframes[n].contentDocument;
+    else if (iframes[n].contentWindow)
+      iframedoc = iframes[n].contentWindow.document;
+    else if (iframes[n].document)
+      iframedoc = iframes[n].document;
+
+    if (iframedoc) {
+      if (this.iframe_events[n]) {
+	if (iframedoc.removeEventListener)
+	  iframedoc.removeEventListener('mousemove', this.iframe_events[n], false);
+	else if (iframedoc.detachEvent)
+	  iframedoc.detachEvent('onmousemove', this.iframe_events[n]);
+	else
+	  iframedoc['onmousemove'] = null;
+	}
+      rcube_event.remove_listener({element:iframedoc, event:'mouseup', object:this, method:'drag_mouse_up'});
+      }
+    }
+
   return rcube_event.cancel(e);
 },
 
 
-
 /**
- * set/unset a specific class name
+ * Creating the list in background
  */
-set_classname: function(obj, classname, set)
+set_background_mode: function(flag)
 {
-  var reg = new RegExp('\s*'+classname, 'i');
-  if (!set && obj.className.match(reg))
-    obj.className = obj.className.replace(reg, '');
-  else if (set && !obj.className.match(reg))
-    obj.className += ' '+classname;
-},
-
-
-/**
- * Setter for object event handlers
- *
- * @param {String}   Event name
- * @param {Function} Handler function
- * @return Listener ID (used to remove this handler later on)
- */
-addEventListener: function(evt, handler)
-{
-  if (this.events[evt]) {
-    var handle = this.events[evt].length;
-    this.events[evt][handle] = handler;
-    return handle;
-  }
-  else
-    return false;
-},
-
-
-/**
- * Removes a specific event listener
- *
- * @param {String} Event name
- * @param {Int}    Listener ID to remove
- */
-removeEventListener: function(evt, handle)
-{
-  if (this.events[evt] && this.events[evt][handle])
-    this.events[evt][handle] = null;
-},
-
-
-/**
- * This will execute all registered event handlers
- * @private
- */
-trigger_event: function(evt, p)
-{
-  if (this.events[evt] && this.events[evt].length) {
-    for (var i=0; i<this.events[evt].length; i++)
-      if (typeof(this.events[evt][i]) == 'function')
-        this.events[evt][i](this, p);
+  if (flag) {
+    this.background = document.createElement('TBODY');
+  } else if (this.background) {
+    this.list.replaceChild(this.background, this.list.tBodies[0]);
+    this.background = null;
   }
 }
 
-
 };
 
+rcube_list_widget.prototype.addEventListener = rcube_event_engine.prototype.addEventListener;
+rcube_list_widget.prototype.removeEventListener = rcube_event_engine.prototype.removeEventListener;
+rcube_list_widget.prototype.triggerEvent = rcube_event_engine.prototype.triggerEvent;

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