plugins/gallery/tagging.js
author Dan
Sat, 23 Feb 2008 16:02:15 -0500
changeset 25 d9f37d2ea2cf
parent 24 7f3bd3030ae9
child 35 1dd30d7bf29f
permissions -rw-r--r--
Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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function snapr_add_tag()
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{
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  var image = document.getElementById('snapr_preview_img');
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  image.parentNode.onclick = function(e)
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  {
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    canvas_click(this);
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  }
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  image.parentNode.setAttribute('canvas:oncomplete', 'snapr_process_canvas_add(this);');
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  image.parentNode.setAttribute('canvas:oncancel', 'obj.onclick = null;');
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}
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function snapr_process_canvas_add(obj, tag_data)
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{
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  obj.onclick = null;
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  var abs_x = $(obj).Left() + obj.canvas.left;
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  var abs_y = $(obj).Top()  + obj.canvas.top;
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  var height = obj.canvas.height + 2;
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  var entry_div = document.createElement('div');
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  entry_div.className = 'snapr_tag_entry';
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  entry_div.style.position = 'absolute';
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  entry_div.style.top = String(abs_y + height) + 'px';
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  entry_div.style.left = String(abs_x)+ 'px';
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  entry_div.appendChild(document.createTextNode('Enter a tag:'));
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  entry_div.appendChild(document.createElement('br'));
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  var ta = document.createElement('textarea');
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  ta.rows = '7';
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  ta.cols = '30';
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  if ( typeof(tag_data) == 'string' )
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    ta.value = tag_data;
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  entry_div.appendChild(ta);
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  entry_div.appendChild(document.createElement('br'));
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  var a_add = document.createElement('a');
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  a_add.href = '#';
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  a_add.onclick = function()
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  {
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    snapr_finalize_canvas_add(this.parentNode, this.parentNode.parentNode.canvas, this.previousSibling.previousSibling.value);
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    return false;
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  }
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  a_add.appendChild(document.createTextNode('Add tag'));
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  entry_div.appendChild(a_add);
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  entry_div.appendChild(document.createTextNode(' | '));
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  var a_cancel = document.createElement('a');
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  a_cancel.href = '#';
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  a_cancel.onclick = function()
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  {
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    snapr_finalize_canvas_cancel(this.parentNode);
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    return false;
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  }
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  a_cancel.appendChild(document.createTextNode('Cancel'));
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  entry_div.appendChild(a_cancel);
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  obj.appendChild(entry_div);
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  ta.focus();
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}
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function snapr_finalize_canvas_add(obj, canvas_data, tag)
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{
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  // add the new box
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  var id = obj.parentNode.getAttribute('snapr:imgid');
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  if ( !id )
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    return false;
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  // destroy form, etc.
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  var parent = obj.parentNode;
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  parent.removeChild(parent.canvas_box_obj);
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  parent.removeChild(obj);
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  var canvas_json = toJSONString(canvas_data);
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  ajaxPost(makeUrlNS('Gallery', id), 'ajax=true&act=add_tag&tag=' + ajaxEscape(tag) + '&canvas_params=' + ajaxEscape(canvas_json), snapr_process_ajax_tag_packet);
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}
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function snapr_finalize_canvas_cancel(obj)
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{
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  var parent = obj.parentNode;
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  parent.removeChild(parent.canvas_box_obj);
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  parent.removeChild(obj);
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}
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function snapr_finalize_canvas_edit_cancel(obj)
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{
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  var old_value = obj.getElementsByTagName('textarea')[0];
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  old_value = old_value.OriginalValue;
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  var canvas = obj.parentNode;
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  var canvas_data = canvas.canvas;
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  var note_id = canvas.tag_id;
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  var auth_delete = canvas.auth_delete;
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  var parent = canvas.parentNode;
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  canvas.removeChild(obj);
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  parent.removeChild(canvas);
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  // redraw the note
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  snapr_draw_note(parent, old_value, canvas_data, note_id, false, auth_delete);
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}
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function snapr_finalize_canvas_edit_delete(obj)
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{
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  var old_value = obj.getElementsByTagName('textarea')[0];
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  old_value = old_value.OriginalValue;
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  var canvas = obj.parentNode;
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  var canvas_data = canvas.canvas;
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  var note_id = canvas.tag_id;
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  var auth_delete = canvas.auth_delete;
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  var parent = canvas.parentNode;
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  canvas.removeChild(obj);
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  parent.removeChild(canvas);
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  // redraw the note
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  var note = snapr_draw_note(parent, old_value, canvas_data, note_id, false, auth_delete);
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  // now nuke it
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  snapr_nuke_tag(note);
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}
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function snapr_draw_note(obj, tag, canvas_data, note_id, initial_hide, auth_delete)
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{
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  var newbox = canvas_create_box(obj, canvas_data.left, canvas_data.top, canvas_data.width, canvas_data.height);
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  newbox.tag_id = note_id;
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  newbox.canvas = canvas_data;
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  newbox.auth_delete = auth_delete;
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  obj.onmouseover = function()
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  {
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    var boxen = this.getElementsByTagName('div');
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    for ( var i = 0; i < boxen.length; i++ )
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      if ( boxen[i].className == 'canvasbox' )
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        boxen[i].style.display = 'block';
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  }
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  obj.onmouseout = function()
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  {
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    var boxen = this.getElementsByTagName('div');
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    for ( var i = 0; i < boxen.length; i++ )
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      if ( boxen[i].className == 'canvasbox' )
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        boxen[i].style.display = 'none';
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  }
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  newbox.onmouseover = function()
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  {
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    this.style.borderColor = '#FFFF00';
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    this.firstChild.style.borderColor = '#000000';
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    snapr_display_note(this.noteObj);
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  }
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  newbox.onmouseout = function()
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  {
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    this.style.borderColor = '#000000';
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    this.firstChild.style.borderColor = '#FFFFFF';
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    snapr_hide_note(this.noteObj);
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  }
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  if ( auth_delete )
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  {
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    /*
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    var p = document.createElement('p');
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    p.style.cssFloat = 'right';
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    p.style.styleFloat = 'right';
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    p.style.fontWeight = 'bold';
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    p.style.margin = '5px';
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    var a_del = document.createElement('a');
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    a_del.style.color = '#FF0000';
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    a_del.href = '#';
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    a_del.onclick = function()
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    {
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      snapr_nuke_tag(this.parentNode.parentNode.parentNode);
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      return false;
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    }
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    a_del.appendChild(document.createTextNode('[X]'));
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    p.appendChild(a_del);
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    newbox.firstChild.appendChild(p);
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    */
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    newbox.style.cursor = 'pointer';
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    newbox.onclick = function()
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    {
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      snapr_run_tag_editor(this);
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    }
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  }
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  var abs_x = $(newbox).Left();
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  var abs_y = $(newbox).Top() + $(newbox).Height() + 2;
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  var noteObj = document.createElement('div');
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  newbox.noteObj = noteObj;
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  noteObj.className = 'snapr_tag';
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  noteObj.style.display = 'none';
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  noteObj.style.position = 'absolute';
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  noteObj.style.top = abs_y + 'px';
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  noteObj.style.left = abs_x + 'px';
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  noteObj.style.zIndex = '100';
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  var re = new RegExp(unescape('%0A'), 'g');
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  noteObj.innerHTML = tag.replace(re, "<br />\n");
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  obj.appendChild(noteObj);
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  if ( initial_hide )
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    newbox.style.display = 'none';
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  return newbox;
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}
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function snapr_display_note(note)
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{
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  //domObjChangeOpac(0, note);
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  note.style.display = 'block';
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  //domOpacity(note, 0, 100, 500);
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}
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function snapr_hide_note(note)
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{
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  //domOpacity(note, 100, 0, 500);
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  //setTimeout(function()
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  //  {
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      note.style.display = 'none';
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  //  }, 600);
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}
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function snapr_nuke_tag(obj)
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{
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  // add the new box
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  var parent_obj = document.getElementById('snapr_preview_img').parentNode;
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  var id = parent_obj.getAttribute('snapr:imgid');
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  if ( !id )
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    return false;
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  ajaxPost(makeUrlNS('Gallery', id), 'ajax=true&act=del_tag&tag_id=' + obj.tag_id, snapr_process_ajax_tag_packet);
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}
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function snapr_run_tag_editor(obj)
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{
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  obj.onclick = null;
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  var abs_x = $(obj).Left();
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  var abs_y = $(obj).Top();
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  var height = $(obj).Height() + 2;
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  var value = obj.nextSibling.innerHTML;
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  var regex = new RegExp('<br>', 'g');
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  value = value.replace(regex, '');
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  obj.parentNode.removeChild(obj.nextSibling);
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  var entry_div = document.createElement('div');
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  entry_div.className = 'snapr_tag_entry';
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  entry_div.style.position = 'absolute';
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  entry_div.style.top = String(height) + 'px';
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  entry_div.style.left = '0px';
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  entry_div.style.zIndex = '100';
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  entry_div.appendChild(document.createTextNode('Enter a tag:'));
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  entry_div.appendChild(document.createElement('br'));
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  var ta = document.createElement('textarea');
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  ta.rows = '7';
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  ta.cols = '30';
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  ta.value = value;
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   246
  ta.style.backgroundColor = '#FFFFFF';
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   247
  ta.style.borderWidth = '0';
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   248
  ta.style.color = '#000000';
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   249
  ta.OriginalValue = value;
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   250
  entry_div.appendChild(ta);
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   251
  
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   252
  entry_div.appendChild(document.createElement('br'));
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   253
  
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   254
  var a_add = document.createElement('a');
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  a_add.href = '#';
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   256
  a_add.onclick = function()
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  {
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   258
    snapr_finalize_canvas_edit(this.parentNode.parentNode, this.parentNode.getElementsByTagName('textarea')[0]['value'], this.parentNode);
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   259
    return false;
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   260
  }
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   261
  a_add.appendChild(document.createTextNode('Save tag'));
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   262
  entry_div.appendChild(a_add);
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   263
  
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   264
  entry_div.appendChild(document.createTextNode(' | '));
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   265
  
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   266
  var a_cancel = document.createElement('a');
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   267
  a_cancel.href = '#';
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   268
  a_cancel.onclick = function()
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   269
  {
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   270
    snapr_finalize_canvas_edit_cancel(this.parentNode);
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   271
    return false;
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   272
  }
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   273
  a_cancel.appendChild(document.createTextNode('Cancel'));
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   274
  entry_div.appendChild(a_cancel);
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   276
  entry_div.appendChild(document.createTextNode(' | '));
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   277
  
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   278
  var a_del = document.createElement('a');
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   279
  a_del.href = '#';
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   280
  a_del.onclick = function()
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   281
  {
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   282
    snapr_finalize_canvas_edit_delete(this.parentNode);
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   283
    return false;
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   284
  }
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   285
  a_del.style.color = '#FF0000';
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diff changeset
   286
  a_del.appendChild(document.createTextNode('Delete'));
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   287
  entry_div.appendChild(a_del);
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   288
  
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   289
  obj.appendChild(entry_div);
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   290
  ta.focus();
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diff changeset
   291
}
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   292
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   293
function snapr_finalize_canvas_edit(canvas, value, editor)
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   294
{
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   295
  var canvas_data = canvas.canvas;
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   296
  var note_id = canvas.tag_id;
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diff changeset
   297
  var parent = canvas.parentNode;
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   298
  canvas.removeChild(editor);
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   299
  parent.removeChild(canvas);
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   300
  // send the edit across the 'net
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   301
  var parent_obj = document.getElementById('snapr_preview_img').parentNode;
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   302
  var id = parent_obj.getAttribute('snapr:imgid');
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   303
  if ( !id )
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   304
    return false;
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diff changeset
   305
  
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   306
  var canvas_json = toJSONString(canvas_data);
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diff changeset
   307
  ajaxPost(makeUrlNS('Gallery', id), 'ajax=true&act=edit_tag&tag=' + ajaxEscape(value) + '&canvas_params=' + ajaxEscape(canvas_json) + '&tag_id=' + note_id, snapr_process_ajax_tag_packet);
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diff changeset
   308
}
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diff changeset
   309
18
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   310
function snapr_process_ajax_tag_packet()
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diff changeset
   311
{
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
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diff changeset
   312
  if ( ajax.readyState == 4 && ajax.status == 200 )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   313
  {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   314
    var response = String(ajax.responseText + '');
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Dan
parents:
diff changeset
   315
    if ( response.substr(0, 1) != '[' && response.substr(0, 1) != '{' )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   316
    {
24
7f3bd3030ae9 Changed deletion method and added editing functionality for tags
Dan
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diff changeset
   317
      new messagebox(MB_OK|MB_ICONSTOP, 'JSON response invalid', 'Received unexpected response:<pre>' + response + '</pre>');
18
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
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diff changeset
   318
      return false;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   319
    }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   320
    response = parseJSON(response);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   321
    if ( response.mode )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   322
    {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   323
      if ( response.mode == 'error' )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   324
      {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   325
        alert(response.error);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   326
        return false;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   327
      }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   328
    }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   329
    var parent_obj = document.getElementById('snapr_preview_img').parentNode;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   330
    for ( var i = 0; i < response.length; i++ )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   331
    {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   332
      var packet = response[i];
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   333
      switch(packet.mode)
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   334
      {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   335
        case 'add':
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   336
          snapr_draw_note(parent_obj, packet.tag, packet.canvas_data, packet.note_id, packet.initial_hide, packet.auth_delete);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   337
          break;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   338
        case 'remove':
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   339
          // Server requested to remove a tag
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   340
          var divs = parent_obj.getElementsByTagName('div');
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   341
          for ( var i = 0; i < divs.length; i++ )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   342
          {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   343
            var box = divs[i];
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   344
            if ( box.className == 'canvasbox' )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   345
            {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   346
              if ( box.tag_id == packet.note_id )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   347
              {
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   348
                // You. We have orders to shoot. Stand in front of wall.
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   349
                var sibling = box.nextSibling;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   350
                var parent = box.parentNode;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   351
                // BLAM.
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   352
                parent.removeChild(sibling);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   353
                parent.removeChild(box);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   354
                break;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   355
              }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   356
            }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   357
          }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   358
          break;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   359
      }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   360
    }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   361
  }
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   362
}
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   363
25
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   364
// Don't fire the tag init until JS init *and* image are finished.
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   365
// Thanks to pmccullough for pointing out this race condition.
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   366
var snapr_lock_onload_js = true;
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   367
var snapr_lock_onload_img = true;
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   368
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   369
var snapr_tags_onload_real = function()
18
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   370
{
25
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   371
  // make sure we aren't waiting...
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   372
  if ( snapr_lock_onload_img || snapr_lock_onload_js )
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   373
    return false;
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   374
  
18
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   375
  // add the new box
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   376
  var parent_obj = document.getElementById('snapr_preview_img').parentNode;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   377
  var id = parent_obj.getAttribute('snapr:imgid');
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   378
  if ( !id )
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   379
    return false;
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   380
  ajaxPost(makeUrlNS('Gallery', id), 'ajax=true&act=get_tags', snapr_process_ajax_tag_packet);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
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   381
}
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   382
25
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   383
var snapr_tags_onload = function()
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   384
{
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   385
  snapr_lock_onload_js = false;
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   386
  snapr_tags_onload_real();
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   387
}
d9f37d2ea2cf Fixed race condition on canvas init (caused boxes to appear off by ~320px); fixed JSON response of null when row[img_tags] is NULL
Dan
parents: 24
diff changeset
   388
18
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   389
addOnloadHook(snapr_tags_onload);
c1c398349651 Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
Dan
parents:
diff changeset
   390