plugins/gallery/canvas.js
changeset 42 7c6e2e97aa08
parent 35 1dd30d7bf29f
--- a/plugins/gallery/canvas.js	Sat Aug 21 23:25:41 2010 -0400
+++ b/plugins/gallery/canvas.js	Sat Aug 21 23:32:06 2010 -0400
@@ -4,174 +4,174 @@
 
 function canvas_click(obj)
 {
-  var click_x = mouseX - $dynano(obj).Left();
-  var click_y = mouseY - $dynano(obj).Top() + getScrollOffset();
-  
-  if ( obj.canvas_in_draw )
-  {
-    canvas_close_draw(obj, click_x, click_y);
-  }
-  else
-  {
-    canvas_open_draw(obj, click_x, click_y);
-  }
+	var click_x = mouseX - $dynano(obj).Left();
+	var click_y = mouseY - $dynano(obj).Top() + getScrollOffset();
+	
+	if ( obj.canvas_in_draw )
+	{
+		canvas_close_draw(obj, click_x, click_y);
+	}
+	else
+	{
+		canvas_open_draw(obj, click_x, click_y);
+	}
 }
 
 function canvas_open_draw(obj, x, y)
 {
-  obj.canvas_box_obj = canvas_create_box(obj, x, y, 1, 1);
-  obj.canvas_in_draw = true;
-  obj.onclick = function(e)
-  {
-    canvas_click(this);
-    var onclose = this.getAttribute('canvas:oncomplete');
-    if ( onclose )
-    {
-      eval(onclose);
-    }
-  }
-  canvas_replace_mousemove(obj);
+	obj.canvas_box_obj = canvas_create_box(obj, x, y, 1, 1);
+	obj.canvas_in_draw = true;
+	obj.onclick = function(e)
+	{
+		canvas_click(this);
+		var onclose = this.getAttribute('canvas:oncomplete');
+		if ( onclose )
+		{
+			eval(onclose);
+		}
+	}
+	canvas_replace_mousemove(obj);
 }
 
 function canvas_replace_mousemove(obj)
 {
-  canvas_mousemove_temp = document.onmousemove;
-  canvas_mousemove_temp.box_obj = obj;
-  canvas_keyup_temp = document.onkeyup;
-  document.onmousemove = function(e)
-  {
-    canvas_mousemove_temp(e);
-    canvas_redraw_box(canvas_mousemove_temp.box_obj);
-  }
-  document.onkeyup = function(e)
-  {
-    if ( typeof(canvas_keyup_temp) == 'function' )
-      canvas_keyup_temp(e);
-    
-    if ( e.keyCode == CANVAS_KEY_ESC )
-      canvas_cancel_draw(canvas_mousemove_temp.box_obj);
-  }
+	canvas_mousemove_temp = document.onmousemove;
+	canvas_mousemove_temp.box_obj = obj;
+	canvas_keyup_temp = document.onkeyup;
+	document.onmousemove = function(e)
+	{
+		canvas_mousemove_temp(e);
+		canvas_redraw_box(canvas_mousemove_temp.box_obj);
+	}
+	document.onkeyup = function(e)
+	{
+		if ( typeof(canvas_keyup_temp) == 'function' )
+			canvas_keyup_temp(e);
+		
+		if ( e.keyCode == CANVAS_KEY_ESC )
+			canvas_cancel_draw(canvas_mousemove_temp.box_obj);
+	}
 }
 
 function canvas_restore_mousemove()
 {
-  document.onmousemove = canvas_mousemove_temp;
-  document.onkeyup = canvas_keyup_temp;
+	document.onmousemove = canvas_mousemove_temp;
+	document.onkeyup = canvas_keyup_temp;
 }
 
 function canvas_create_box(obj, x, y, width, height)
 {
-  var inner_width = width - 2;
-  var inner_height = height - 2;
-  var top = $dynano(obj).Top() + y;
-  var left = $dynano(obj).Left() + x;
-  
-  // draw outer box
-  var div_outer = document.createElement('div');
-  div_outer.className = 'canvasbox';
-  div_outer.style.border = '1px solid #000000';
-  div_outer.style.position = 'absolute';
-  div_outer.style.width = String(width) + 'px';
-  div_outer.style.height = String(height) + 'px';
-  div_outer.style.top = String(top) + 'px';
-  div_outer.style.left = String(left) + 'px';
-  
-  div_outer.rootY = y;
-  div_outer.rootX = x;
-  
-  var div_inner = document.createElement('div');
-  div_inner.style.border = '1px solid #FFFFFF';
-  if ( IE )
-  {
-    div_inner.style.width = '100%';
-    div_inner.style.height = '100%';
-  }
-  else
-  {
-    div_inner.style.width = String(inner_width) + 'px';
-    div_inner.style.height = String(inner_height) + 'px';
-  }
-  
-  div_outer.appendChild(div_inner);
-  
-  obj.appendChild(div_outer);
-  return div_outer;
+	var inner_width = width - 2;
+	var inner_height = height - 2;
+	var top = $dynano(obj).Top() + y;
+	var left = $dynano(obj).Left() + x;
+	
+	// draw outer box
+	var div_outer = document.createElement('div');
+	div_outer.className = 'canvasbox';
+	div_outer.style.border = '1px solid #000000';
+	div_outer.style.position = 'absolute';
+	div_outer.style.width = String(width) + 'px';
+	div_outer.style.height = String(height) + 'px';
+	div_outer.style.top = String(top) + 'px';
+	div_outer.style.left = String(left) + 'px';
+	
+	div_outer.rootY = y;
+	div_outer.rootX = x;
+	
+	var div_inner = document.createElement('div');
+	div_inner.style.border = '1px solid #FFFFFF';
+	if ( IE )
+	{
+		div_inner.style.width = '100%';
+		div_inner.style.height = '100%';
+	}
+	else
+	{
+		div_inner.style.width = String(inner_width) + 'px';
+		div_inner.style.height = String(inner_height) + 'px';
+	}
+	
+	div_outer.appendChild(div_inner);
+	
+	obj.appendChild(div_outer);
+	return div_outer;
 }
 
 function canvas_redraw_box(obj)
 {
-  if ( !obj.canvas_box_obj )
-    return false;
-  var rel_x = mouseX - $dynano(obj).Left();
-  var rel_y = mouseY - $dynano(obj).Top() + getScrollOffset();
-  var new_width = rel_x - obj.canvas_box_obj.rootX;
-  var new_height = rel_y - obj.canvas_box_obj.rootY;
-  var rootX = obj.canvas_box_obj.rootX;
-  var rootY = obj.canvas_box_obj.rootY;
-  // Limit dimensions to width - origin_x and height - origin_y
-  if ( new_width + rootX > $dynano(obj).Width() )
-    new_width = $dynano(obj).Width() - rootX;
-  if ( new_height + rootY > $dynano(obj).Height() )
-    new_height = $dynano(obj).Height() - rootY;
-  // If going to the top or left of the origin, avoid negative width/height by moving the box
-  if ( new_width < 1 )
-  {
-    new_width = rootX - rel_x;
-    obj.canvas_box_obj.style.left = String(mouseX + 2) + 'px';
-  }
-  if ( new_height < 1 )
-  {
-    new_height = rootY - rel_y;
-    obj.canvas_box_obj.style.top = String(mouseY + getScrollOffset() + 2) + 'px';
-  }
-  obj.canvas_box_obj.style.width = String(new_width) + 'px';
-  obj.canvas_box_obj.style.height = String(new_height) + 'px';
-  new_width = new_width - 2;
-  new_height = new_height - 2;
-  if ( IE )
-  {
-    var nw = new_width;
-    var nh = new_height;
-    obj.canvas_box_obj.firstChild.style.width = String(nw) + 'px';
-    obj.canvas_box_obj.firstChild.style.height = String(nh) + 'px';
-  }
-  else
-  {
-    obj.canvas_box_obj.firstChild.style.width = String(new_width) + 'px';
-    obj.canvas_box_obj.firstChild.style.height = String(new_height) + 'px';
-  }
+	if ( !obj.canvas_box_obj )
+		return false;
+	var rel_x = mouseX - $dynano(obj).Left();
+	var rel_y = mouseY - $dynano(obj).Top() + getScrollOffset();
+	var new_width = rel_x - obj.canvas_box_obj.rootX;
+	var new_height = rel_y - obj.canvas_box_obj.rootY;
+	var rootX = obj.canvas_box_obj.rootX;
+	var rootY = obj.canvas_box_obj.rootY;
+	// Limit dimensions to width - origin_x and height - origin_y
+	if ( new_width + rootX > $dynano(obj).Width() )
+		new_width = $dynano(obj).Width() - rootX;
+	if ( new_height + rootY > $dynano(obj).Height() )
+		new_height = $dynano(obj).Height() - rootY;
+	// If going to the top or left of the origin, avoid negative width/height by moving the box
+	if ( new_width < 1 )
+	{
+		new_width = rootX - rel_x;
+		obj.canvas_box_obj.style.left = String(mouseX + 2) + 'px';
+	}
+	if ( new_height < 1 )
+	{
+		new_height = rootY - rel_y;
+		obj.canvas_box_obj.style.top = String(mouseY + getScrollOffset() + 2) + 'px';
+	}
+	obj.canvas_box_obj.style.width = String(new_width) + 'px';
+	obj.canvas_box_obj.style.height = String(new_height) + 'px';
+	new_width = new_width - 2;
+	new_height = new_height - 2;
+	if ( IE )
+	{
+		var nw = new_width;
+		var nh = new_height;
+		obj.canvas_box_obj.firstChild.style.width = String(nw) + 'px';
+		obj.canvas_box_obj.firstChild.style.height = String(nh) + 'px';
+	}
+	else
+	{
+		obj.canvas_box_obj.firstChild.style.width = String(new_width) + 'px';
+		obj.canvas_box_obj.firstChild.style.height = String(new_height) + 'px';
+	}
 }
 
 function canvas_close_draw(obj, x, y)
 {
-  canvas_restore_mousemove();
-  obj.canvas_in_draw = false;
-  obj.canvas = {
-    top: $dynano(obj.canvas_box_obj).Top() - $dynano(obj).Top(),
-    left: $dynano(obj.canvas_box_obj).Left() - $dynano(obj).Left(),
-    width: $dynano(obj.canvas_box_obj).Width(),
-    height: $dynano(obj.canvas_box_obj).Height()
-  }
-  obj.onclick = function(e)
-  {
-    canvas_click(this);
-  }
+	canvas_restore_mousemove();
+	obj.canvas_in_draw = false;
+	obj.canvas = {
+		top: $dynano(obj.canvas_box_obj).Top() - $dynano(obj).Top(),
+		left: $dynano(obj.canvas_box_obj).Left() - $dynano(obj).Left(),
+		width: $dynano(obj.canvas_box_obj).Width(),
+		height: $dynano(obj.canvas_box_obj).Height()
+	}
+	obj.onclick = function(e)
+	{
+		canvas_click(this);
+	}
 }
 
 function canvas_cancel_draw(obj)
 {
-  canvas_restore_mousemove();
-  obj.canvas_in_draw = false;
-  obj.removeChild(obj.canvas_box_obj);
-  obj.canvas_box_obj = null;
-  obj.onclick = function(e)
-  {
-    canvas_click(this);
-  }
-  var ga = obj.getAttribute('canvas:oncancel');
-  if ( ga )
-  {
-    eval(ga);
-  }
+	canvas_restore_mousemove();
+	obj.canvas_in_draw = false;
+	obj.removeChild(obj.canvas_box_obj);
+	obj.canvas_box_obj = null;
+	obj.onclick = function(e)
+	{
+		canvas_click(this);
+	}
+	var ga = obj.getAttribute('canvas:oncancel');
+	if ( ga )
+	{
+		eval(ga);
+	}
 }