plugins/gallery/tagging.js
author Dan Fuhry <dan@enanocms.org>
Sat, 21 Aug 2010 23:25:41 -0400
changeset 41 0944c9354e9c
parent 35 1dd30d7bf29f
child 42 7c6e2e97aa08
permissions -rw-r--r--
Tagged release so that we can use a separate download for the upcoming revision which will only support 1.1.8 trunk.
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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 = $dynano(obj).Left() + obj.canvas.left;
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  var abs_y = $dynano(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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    var el = this.previousSibling;
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    while ( el.tagName != 'TEXTAREA' )
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      el = el.previousSibling;
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    snapr_finalize_canvas_add(this.parentNode, this.parentNode.parentNode.canvas, el.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 = $dynano(newbox).Left();
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  var abs_y = $dynano(newbox).Top() + $dynano(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 = $dynano(obj).Left();
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  var abs_y = $dynano(obj).Top();
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  var height = $dynano(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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   245
  
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   246
  var ta = document.createElement('textarea');
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   247
  ta.rows = '7';
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   248
  ta.cols = '30';
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   249
  ta.value = value;
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   250
  ta.style.backgroundColor = '#FFFFFF';
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   251
  ta.style.borderWidth = '0';
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   252
  ta.style.color = '#000000';
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   253
  ta.OriginalValue = value;
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   254
  entry_div.appendChild(ta);
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   255
  
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   256
  entry_div.appendChild(document.createElement('br'));
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   257
  
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   258
  var a_add = document.createElement('a');
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   259
  a_add.href = '#';
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   260
  a_add.onclick = function()
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   261
  {
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   262
    snapr_finalize_canvas_edit(this.parentNode.parentNode, this.parentNode.getElementsByTagName('textarea')[0]['value'], this.parentNode);
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   263
    return false;
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diff changeset
   264
  }
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   265
  a_add.appendChild(document.createTextNode('Save tag'));
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   266
  entry_div.appendChild(a_add);
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   267
  
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   268
  entry_div.appendChild(document.createTextNode(' | '));
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   269
  
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   270
  var a_cancel = document.createElement('a');
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   271
  a_cancel.href = '#';
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   272
  a_cancel.onclick = function()
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   273
  {
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   274
    snapr_finalize_canvas_edit_cancel(this.parentNode);
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   275
    return false;
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   276
  }
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   277
  a_cancel.appendChild(document.createTextNode('Cancel'));
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   278
  entry_div.appendChild(a_cancel);
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   279
  
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   280
  entry_div.appendChild(document.createTextNode(' | '));
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   281
  
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   282
  var a_del = document.createElement('a');
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diff changeset
   283
  a_del.href = '#';
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diff changeset
   284
  a_del.onclick = function()
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diff changeset
   285
  {
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diff changeset
   286
    snapr_finalize_canvas_edit_delete(this.parentNode);
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   287
    return false;
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diff changeset
   288
  }
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   289
  a_del.style.color = '#FF0000';
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diff changeset
   290
  a_del.appendChild(document.createTextNode('Delete'));
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diff changeset
   291
  entry_div.appendChild(a_del);
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   292
  
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   293
  obj.appendChild(entry_div);
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diff changeset
   294
  ta.focus();
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diff changeset
   295
}
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   296
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   297
function snapr_finalize_canvas_edit(canvas, value, editor)
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   298
{
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   299
  var canvas_data = canvas.canvas;
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diff changeset
   300
  var note_id = canvas.tag_id;
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diff changeset
   301
  var parent = canvas.parentNode;
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diff changeset
   302
  canvas.removeChild(editor);
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diff changeset
   303
  parent.removeChild(canvas);
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diff changeset
   304
  // send the edit across the 'net
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diff changeset
   305
  var parent_obj = document.getElementById('snapr_preview_img').parentNode;
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diff changeset
   306
  var id = parent_obj.getAttribute('snapr:imgid');
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diff changeset
   307
  if ( !id )
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diff changeset
   308
    return false;
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diff changeset
   309
  
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diff changeset
   310
  var canvas_json = toJSONString(canvas_data);
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Dan
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diff changeset
   311
  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
   312
}
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Dan
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diff changeset
   313
35
1dd30d7bf29f Fixed some javascript bugs in Enano 1.1.6
Dan
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diff changeset
   314
function snapr_process_ajax_tag_packet(ajax)
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
   315
{
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
  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
   317
  {
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
   318
    var response = String(ajax.responseText + '');
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
    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
   320
    {
24
7f3bd3030ae9 Changed deletion method and added editing functionality for tags
Dan
parents: 18
diff changeset
   321
      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
parents:
diff changeset
   322
      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
   323
    }
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
    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
   325
    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
   326
    {
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
      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
   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
        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
   330
        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
   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
    }
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
    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
   334
    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
   335
    {
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
      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
   337
      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
   338
      {
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
        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
   340
          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
   341
          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
   342
        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
   343
          // 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
   344
          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
   345
          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
   346
          {
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
            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
   348
            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
   349
            {
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
              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
   351
              {
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
                // 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
   353
                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
   354
                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
   355
                // 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
   356
                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
   357
                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
   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
          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
   363
      }
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
   364
    }
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
   365
  }
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
   366
}
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
   367
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
   368
// 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
   369
// 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
   370
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
   371
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
   372
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
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
   374
{
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
   375
  // 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
   376
  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
   377
    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
   378
  
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
   379
  // 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
   380
  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
   381
  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.
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   382
  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.
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   383
    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
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   384
  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.
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   385
}
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
   386
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
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diff changeset
   387
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
   388
{
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
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diff changeset
   389
  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
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diff changeset
   390
  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
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diff changeset
   391
}
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
   392
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.
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   393
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
   394