table-operations.js

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// Table Operations Plugin for HTMLArea-3.0
// Implementation by Mihai Bazon.  Sponsored by http://www.bloki.com
//
// htmlArea v3.0 - Copyright (c) 2002 interactivetools.com, inc.
// This notice MUST stay intact for use (see license.txt).
//
// A free WYSIWYG editor replacement for <textarea> fields.
// For full source code and docs, visit http://www.interactivetools.com/
//
// Version 3.0 developed by Mihai Bazon for InteractiveTools.
//   http://dynarch.com/mishoo
//
// $Id: table-operations.js 1969 2005-09-13 06:57:21Z drbyte $

// Object that will encapsulate all the table operations provided by
// HTMLArea-3.0 (except "insert table" which is included in the main file)
function TableOperations(editor) {
	this.editor = editor;

	var cfg = editor.config;
	var tt = TableOperations.I18N;
	var bl = TableOperations.btnList;
	var self = this;

	// register the toolbar buttons provided by this plugin
	var toolbar = ["linebreak"];
	for (var i in bl) {
		var btn = bl[i];
		if (!btn) {
			toolbar.push("separator");
		} else {
			var id = "TO-" + btn[0];
			cfg.registerButton(id, tt[id], editor.imgURL(btn[0] + ".gif", "TableOperations"), false,
					   function(editor, id) {
						   // dispatch button press event
						   self.buttonPress(editor, id);
					   }, btn[1]);
			toolbar.push(id);
		}
	}

	// add a new line in the toolbar
	cfg.toolbar.push(toolbar);
};

TableOperations._pluginInfo = {
	name          : "TableOperations",
	version       : "1.0",
	developer     : "Mihai Bazon",
	developer_url : "http://dynarch.com/mishoo/",
	c_owner       : "Mihai Bazon",
	sponsor       : "Zapatec Inc.",
	sponsor_url   : "http://www.bloki.com",
	license       : "htmlArea"
};

/************************
 * UTILITIES
 ************************/

// retrieves the closest element having the specified tagName in the list of
// ancestors of the current selection/caret.
TableOperations.prototype.getClosest = function(tagName) {
	var editor = this.editor;
	var ancestors = editor.getAllAncestors();
	var ret = null;
	tagName = ("" + tagName).toLowerCase();
	for (var i in ancestors) {
		var el = ancestors[i];
		if (el.tagName.toLowerCase() == tagName) {
			ret = el;
			break;
		}
	}
	return ret;
};

// this function requires the file PopupDiv/PopupWin to be loaded from browser
TableOperations.prototype.dialogTableProperties = function() {
	var i18n = TableOperations.I18N;
	// retrieve existing values
	var table = this.getClosest("table");
	// this.editor.selectNodeContents(table);
	// this.editor.updateToolbar();

	var dialog = new PopupWin(this.editor, i18n["Table Properties"], function(dialog, params) {
		TableOperations.processStyle(params, table);
		for (var i in params) {
			var val = params[i];
			switch (i) {
			    case "f_caption":
				if (/\S/.test(val)) {
					// contains non white-space characters
					var caption = table.getElementsByTagName("caption")[0];
					if (!caption) {
						caption = dialog.editor._doc.createElement("caption");
						table.insertBefore(caption, table.firstChild);
					}
					caption.innerHTML = val;
				} else {
					// search for caption and delete it if found
					var caption = table.getElementsByTagName("caption")[0];
					if (caption) {
						caption.parentNode.removeChild(caption);
					}
				}
				break;
			    case "f_summary":
				table.summary = val;
				break;
			    case "f_width":
				table.style.width = ("" + val) + params.f_unit;
				break;
			    case "f_align":
				table.align = val;
				break;
			    case "f_spacing":
				table.cellSpacing = val;
				break;
			    case "f_padding":
				table.cellPadding = val;
				break;
			    case "f_borders":
				table.border = val;
				break;
			    case "f_frames":
				table.frame = val;
				break;
			    case "f_rules":
				table.rules = val;
				break;
			}
		}
		// various workarounds to refresh the table display (Gecko,
		// what's going on?! do not disappoint me!)
		dialog.editor.forceRedraw();
		dialog.editor.focusEditor();
		dialog.editor.updateToolbar();
		var save_collapse = table.style.borderCollapse;
		table.style.borderCollapse = "collapse";
		table.style.borderCollapse = "separate";
		table.style.borderCollapse = save_collapse;
	},

	// this function gets called when the dialog needs to be initialized
	function (dialog) {

		var f_caption = "";
		var capel = table.getElementsByTagName("caption")[0];
		if (capel) {
			f_caption = capel.innerHTML;
		}
		var f_summary = table.summary;
		var f_width = parseInt(table.style.width);
		isNaN(f_width) && (f_width = "");
		var f_unit = /%/.test(table.style.width) ? 'percent' : 'pixels';
		var f_align = table.align;
		var f_spacing = table.cellSpacing;
		var f_padding = table.cellPadding;
		var f_borders = table.border;
		var f_frames = table.frame;
		var f_rules = table.rules;

		function selected(val) {
			return val ? " selected" : "";
		};

		// dialog contents
		dialog.content.style.width = "400px";
		dialog.content.innerHTML = " \
<div class='title'\
 style='background: url(" + dialog.baseURL + dialog.editor.imgURL("table-prop.gif", "TableOperations") + ") #fff 98% 50% no-repeat'>" + i18n["Table Properties"] + "\
</div> \
<table style='width:100%'> \
  <tr> \
    <td> \
      <fieldset><legend>" + i18n["Description"] + "</legend> \
       <table style='width:100%'> \
        <tr> \
          <td class='label'>" + i18n["Caption"] + ":</td> \
          <td class='value'><input type='text' name='f_caption' value='" + f_caption + "'/></td> \
        </tr><tr> \
          <td class='label'>" + i18n["Summary"] + ":</td> \
          <td class='value'><input type='text' name='f_summary' value='" + f_summary + "'/></td> \
        </tr> \
       </table> \
      </fieldset> \
    </td> \
  </tr> \
  <tr><td id='--HA-layout'></td></tr> \
  <tr> \
    <td> \
      <fieldset><legend>" + i18n["Spacing and padding"] + "</legend> \
       <table style='width:100%'> \
"+//        <tr> \
//           <td class='label'>" + i18n["Width"] + ":</td> \
//           <td><input type='text' name='f_width' value='" + f_width + "' size='5' /> \
//             <select name='f_unit'> \
//               <option value='%'" + selected(f_unit == "percent") + ">" + i18n["percent"] + "</option> \
//               <option value='px'" + selected(f_unit == "pixels") + ">" + i18n["pixels"] + "</option> \
//             </select> &nbsp;&nbsp;" + i18n["Align"] + ": \
//             <select name='f_align'> \
//               <option value='left'" + selected(f_align == "left") + ">" + i18n["Left"] + "</option> \
//               <option value='center'" + selected(f_align == "center") + ">" + i18n["Center"] + "</option> \
//               <option value='right'" + selected(f_align == "right") + ">" + i18n["Right"] + "</option> \
//             </select> \
//           </td> \
//         </tr> \
"        <tr> \
          <td class='label'>" + i18n["Spacing"] + ":</td> \
          <td><input type='text' name='f_spacing' size='5' value='" + f_spacing + "' /> &nbsp;" + i18n["Padding"] + ":\
            <input type='text' name='f_padding' size='5' value='" + f_padding + "' /> &nbsp;&nbsp;" + i18n["pixels"] + "\
          </td> \
        </tr> \
       </table> \
      </fieldset> \
    </td> \
  </tr> \
  <tr> \
    <td> \
      <fieldset><legend>Frame and borders</legend> \
        <table width='100%'> \
          <tr> \
            <td class='label'>" + i18n["Borders"] + ":</td> \
            <td><input name='f_borders' type='text' size='5' value='" + f_borders + "' /> &nbsp;&nbsp;" + i18n["pixels"] + "</td> \
          </tr> \
          <tr> \
            <td class='label'>" + i18n["Frames"] + ":</td> \
            <td> \
              <select name='f_frames'> \
                <option value='void'" + selected(f_frames == "void") + ">" + i18n["No sides"] + "</option> \
                <option value='above'" + selected(f_frames == "above") + ">" + i18n["The top side only"] + "</option> \
                <option value='below'" + selected(f_frames == "below") + ">" + i18n["The bottom side only"] + "</option> \
                <option value='hsides'" + selected(f_frames == "hsides") + ">" + i18n["The top and bottom sides only"] + "</option> \
                <option value='vsides'" + selected(f_frames == "vsides") + ">" + i18n["The right and left sides only"] + "</option> \
                <option value='lhs'" + selected(f_frames == "lhs") + ">" + i18n["The left-hand side only"] + "</option> \
                <option value='rhs'" + selected(f_frames == "rhs") + ">" + i18n["The right-hand side only"] + "</option> \
                <option value='box'" + selected(f_frames == "box") + ">" + i18n["All four sides"] + "</option> \
              </select> \
            </td> \
          </tr> \
          <tr> \
            <td class='label'>" + i18n["Rules"] + ":</td> \
            <td> \
              <select name='f_rules'> \
                <option value='none'" + selected(f_rules == "none") + ">" + i18n["No rules"] + "</option> \
                <option value='rows'" + selected(f_rules == "rows") + ">" + i18n["Rules will appear between rows only"] + "</option> \
                <option value='cols'" + selected(f_rules == "cols") + ">" + i18n["Rules will appear between columns only"] + "</option> \
                <option value='all'" + selected(f_rules == "all") + ">" + i18n["Rules will appear between all rows and columns"] + "</option> \
              </select> \
            </td> \
          </tr> \
        </table> \
      </fieldset> \
    </td> \
  </tr> \
  <tr> \
    <td id='--HA-style'></td> \
  </tr> \
</table> \
";
		var st_prop = TableOperations.createStyleFieldset(dialog.doc, dialog.editor, table);
		var p = dialog.doc.getElementById("--HA-style");
		p.appendChild(st_prop);
		var st_layout = TableOperations.createStyleLayoutFieldset(dialog.doc, dialog.editor, table);
		p = dialog.doc.getElementById("--HA-layout");
		p.appendChild(st_layout);
		dialog.modal = true;
		dialog.addButtons("ok", "cancel");
		dialog.showAtElement(dialog.editor._iframe, "c");
	});
};

// this function requires the file PopupDiv/PopupWin to be loaded from browser
TableOperations.prototype.dialogRowCellProperties = function(cell) {
	var i18n = TableOperations.I18N;
	// retrieve existing values
	var element = this.getClosest(cell ? "td" : "tr");
	var table = this.getClosest("table");
	// this.editor.selectNodeContents(element);
	// this.editor.updateToolbar();

	var dialog = new PopupWin(this.editor, i18n[cell ? "Cell Properties" : "Row Properties"], function(dialog, params) {
		TableOperations.processStyle(params, element);
		for (var i in params) {
			var val = params[i];
			switch (i) {
			    case "f_align":
				element.align = val;
				break;
			    case "f_char":
				element.ch = val;
				break;
			    case "f_valign":
				element.vAlign = val;
				break;
			}
		}
		// various workarounds to refresh the table display (Gecko,
		// what's going on?! do not disappoint me!)
		dialog.editor.forceRedraw();
		dialog.editor.focusEditor();
		dialog.editor.updateToolbar();
		var save_collapse = table.style.borderCollapse;
		table.style.borderCollapse = "collapse";
		table.style.borderCollapse = "separate";
		table.style.borderCollapse = save_collapse;
	},

	// this function gets called when the dialog needs to be initialized
	function (dialog) {

		var f_align = element.align;
		var f_valign = element.vAlign;
		var f_char = element.ch;

		function selected(val) {
			return val ? " selected" : "";
		};

		// dialog contents
		dialog.content.style.width = "400px";
		dialog.content.innerHTML = " \
<div class='title'\
 style='background: url(" + dialog.baseURL + dialog.editor.imgURL(cell ? "cell-prop.gif" : "row-prop.gif", "TableOperations") + ") #fff 98% 50% no-repeat'>" + i18n[cell ? "Cell Properties" : "Row Properties"] + "</div> \
<table style='width:100%'> \
  <tr> \
    <td id='--HA-layout'> \
"+//      <fieldset><legend>" + i18n["Layout"] + "</legend> \
//        <table style='width:100%'> \
//         <tr> \
//           <td class='label'>" + i18n["Align"] + ":</td> \
//           <td> \
//             <select name='f_align'> \
//               <option value='left'" + selected(f_align == "left") + ">" + i18n["Left"] + "</option> \
//               <option value='center'" + selected(f_align == "center") + ">" + i18n["Center"] + "</option> \
//               <option value='right'" + selected(f_align == "right") + ">" + i18n["Right"] + "</option> \
//               <option value='char'" + selected(f_align == "char") + ">" + i18n["Char"] + "</option> \
//             </select> \
//             &nbsp;&nbsp;" + i18n["Char"] + ": \
//             <input type='text' style='font-family: monospace; text-align: center' name='f_char' size='1' value='" + f_char + "' /> \
//           </td> \
//         </tr><tr> \
//           <td class='label'>" + i18n["Vertical align"] + ":</td> \
//           <td> \
//             <select name='f_valign'> \
//               <option value='top'" + selected(f_valign == "top") + ">" + i18n["Top"] + "</option> \
//               <option value='middle'" + selected(f_valign == "middle") + ">" + i18n["Middle"] + "</option> \
//               <option value='bottom'" + selected(f_valign == "bottom") + ">" + i18n["Bottom"] + "</option> \
//               <option value='baseline'" + selected(f_valign == "baseline") + ">" + i18n["Baseline"] + "</option> \
//             </select> \
//           </td> \
//         </tr> \
//        </table> \
//       </fieldset> \
"    </td> \
  </tr> \
  <tr> \
    <td id='--HA-style'></td> \
  </tr> \
</table> \
";
		var st_prop = TableOperations.createStyleFieldset(dialog.doc, dialog.editor, element);
		var p = dialog.doc.getElementById("--HA-style");
		p.appendChild(st_prop);
		var st_layout = TableOperations.createStyleLayoutFieldset(dialog.doc, dialog.editor, element);
		p = dialog.doc.getElementById("--HA-layout");
		p.appendChild(st_layout);
		dialog.modal = true;
		dialog.addButtons("ok", "cancel");
		dialog.showAtElement(dialog.editor._iframe, "c");
	});
};

// this function gets called when some button from the TableOperations toolbar
// was pressed.
TableOperations.prototype.buttonPress = function(editor, button_id) {
	this.editor = editor;
	var mozbr = HTMLArea.is_gecko ? "<br />" : "";
	var i18n = TableOperations.I18N;

	// helper function that clears the content in a table row
	function clearRow(tr) {
		var tds = tr.getElementsByTagName("td");
		for (var i = tds.length; --i >= 0;) {
			var td = tds[i];
			td.rowSpan = 1;