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/* |
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original version from WordPress |
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by Alex King http://www.alexking.org/ |
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|
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tax fix and conversion to Prototype by Dobrica Pavlinusic <dpavlin@rot13.org> |
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*/ |
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|
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|
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var edButtons = new Array(); |
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var edLinks = new Array(); |
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var edOpenTags = new Array(); |
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var edCanvas = null; |
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|
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function edButton(id, display, tagStart, tagEnd, access, open) { |
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Logger.debug('edButton '+id+': '+display); |
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this.id = id; // used to name the toolbar button |
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this.display = display; // label on button |
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this.tagStart = tagStart; // open tag |
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this.tagEnd = tagEnd; // close tag |
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this.access = access; // access key |
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this.open = open; // set to -1 if tag does not need to be closed |
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} |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_div' |
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,'div' |
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,'<div>\n' |
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,'\n</div>\n' |
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,'d' |
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); |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_span' |
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,'span' |
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,'<span>' |
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,'</span>' |
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,'s' |
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); |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_strong' |
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,'str' |
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,'<strong>' |
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,'</strong>' |
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,'b' |
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); |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_em' |
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,'em' |
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,'<em>' |
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,'</em>' |
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,'i' |
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); |
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|
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/* |
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edButtons[edButtons.length] = |
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new edButton('ed_pre' |
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,'code' |
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,'<code>' |
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,'</code>' |
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,'c' |
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); |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_block' |
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,'b-quote' |
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,'<blockquote>' |
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,'</blockquote>' |
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,'q' |
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); |
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*/ |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_link' |
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,'link' |
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,'' |
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,'</a>' |
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,'a' |
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); // special case |
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|
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function edLink() { |
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this.display = ''; |
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this.URL = ''; |
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this.newWin = 0; |
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} |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_table' |
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,'table' |
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,'\n<table>\n' |
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,'\n</table>\n' |
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,'t' |
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); |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_tr' |
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,'tr' |
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,'<tr>' |
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,'</tr>' |
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,'r' |
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); |
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|
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edButtons[edButtons.length] = |
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new edButton('ed_td' |
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,'td' |
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,'<td>' |
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,'</td>' |
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,'e' |
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); |
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|
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function edShowButton(name, button, i) { |
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if (button.id == 'ed_link') { |
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return('<input type="button" id="' + name + '_' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edInsertLink(\''+name+'\', ' + i + ');" value="' + button.display + '" />'); |
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} |
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else { |
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return('<input type="button" id="' + name + '_' + button.id + '" accesskey="' + button.access + '" class="ed_button" onclick="edInsertTag(\''+name+'\', ' + i + ');" value="' + button.display + '" />'); |
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} |
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} |
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|
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function edAddTag(name, button) { |
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if (edButtons[button].tagEnd != '') { |
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edOpenTags[name][ edOpenTags[name].length ] = button; |
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$( name + '_' + edButtons[button].id ).value = '/' + $( name + '_' + edButtons[button].id ).value; |
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} |
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} |
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|
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function edRemoveTag(name, button) { |
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for (i = 0; i < edOpenTags[name].length; i++) { |
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if (edOpenTags[name][i] == button) { |
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edOpenTags[name].splice(i, 1); |
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$( name + '_' + edButtons[button].id ).value = $( name + '_' + edButtons[button].id ).value.replace('/', ''); |
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} |
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} |
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} |
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|
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function edCheckOpenTags(name, button) { |
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var tag = 0; |
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for (i = 0; i < edOpenTags[name].length; i++) { |
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if (edOpenTags[name][i] == button) { |
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tag++; |
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} |
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} |
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if (tag > 0) { |
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return true; // tag found |
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} |
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else { |
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return false; // tag not found |
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} |
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} |
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|
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function edCloseAllTags( name ) { |
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var count = edOpenTags[name].length; |
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Logger.info('edCloseAllTags '+name+' count:'+count); |
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for (o = 0; o < count; o++) { |
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edInsertTag(name, edOpenTags[name][ edOpenTags[name].length - 1 ]); |
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} |
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} |
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|
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var edActiveToolbar = {}; |
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|
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function edToolbar( name ) { |
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|
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if (edActiveToolbar[name]) return false; |
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|
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var toolbar_div = name + '_toolbar'; |
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|
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Logger.info('edToolbar of '+name+' is '+toolbar_div); |
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|
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var div = $( toolbar_div ); |
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if (! div) { |
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Logger.error('div not found'); |
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return false; |
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} |
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|
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var toolbar = ''; |
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|
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for (var i = 0; i < edButtons.length; i++) { |
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toolbar += edShowButton(name, edButtons[i], i); |
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} |
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toolbar += '  '; |
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toolbar += '<input type="button" id="ed_close" class="ed_button" onclick="edCloseAllTags(\''+name+'\');" title="Close all open tags" value="Close Tags" />'; |
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|
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div.innerHTML = toolbar; |
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|
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edActiveToolbar[name] = 1; |
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edOpenTags[name] = new Array(); |
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|
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Logger.debug('edActiveToolbar['+name+'] = '+edActiveToolbar[name]); |
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return false; |
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} |
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|
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// insertion code |
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|
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function edInsertTag(name, i) { |
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|
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myField = $( name ); |
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if (! myField) { |
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Logger.error("can't find "+name); |
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return false; |
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} |
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|
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var pos = myField.scrollTop; |
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Logger.debug('edInsertTag '+name+','+i+'; scrollTop='+pos); |
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|
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//IE support |
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if (document.selection) { |
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myField.focus(); |
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sel = document.selection.createRange(); |
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if (sel.text.length > 0) { |
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sel.text = edButtons[i].tagStart + sel.text + edButtons[i].tagEnd; |
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} |
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else { |
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if (!edCheckOpenTags(name, i) || edButtons[i].tagEnd == '') { |
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sel.text = edButtons[i].tagStart; |
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edAddTag(name, i); |
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} |
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else { |
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sel.text = edButtons[i].tagEnd; |
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edRemoveTag(name, i); |
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} |
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} |
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myField.focus(); |
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} |
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//MOZILLA/NETSCAPE support |
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else if (myField.selectionStart || myField.selectionStart == '0') { |
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var startPos = myField.selectionStart; |
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var endPos = myField.selectionEnd; |
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var cursorPos = endPos; |
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var scrollTop = myField.scrollTop; |
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|
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if (startPos != endPos) { |
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myField.value = myField.value.substring(0, startPos) |
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+ edButtons[i].tagStart |
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+ myField.value.substring(startPos, endPos) |
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+ edButtons[i].tagEnd |
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+ myField.value.substring(endPos, myField.value.length); |
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cursorPos += edButtons[i].tagStart.length + edButtons[i].tagEnd.length; |
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} |
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else { |
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if (!edCheckOpenTags(name, i) || edButtons[i].tagEnd == '') { |
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myField.value = myField.value.substring(0, startPos) |
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+ edButtons[i].tagStart |
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+ myField.value.substring(endPos, myField.value.length); |
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edAddTag(name, i); |
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cursorPos = startPos + edButtons[i].tagStart.length; |
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} |
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else { |
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myField.value = myField.value.substring(0, startPos) |
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+ edButtons[i].tagEnd |
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+ myField.value.substring(endPos, myField.value.length); |
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edRemoveTag(name, i); |
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cursorPos = startPos + edButtons[i].tagEnd.length; |
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} |
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} |
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myField.focus(); |
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myField.selectionStart = cursorPos; |
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myField.selectionEnd = cursorPos; |
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myField.scrollTop = scrollTop; |
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} |
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else { |
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if (!edCheckOpenTags(name, i) || edButtons[i].tagEnd == '') { |
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myField.value += edButtons[i].tagStart; |
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edAddTag(name, i); |
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} |
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else { |
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myField.value += edButtons[i].tagEnd; |
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edRemoveTag(name, i); |
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} |
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myField.focus(); |
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} |
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|
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if (pos && myField.scrollTop != pos) myField.scrollTop = pos; |
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} |
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|
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function edInsertContent(myField, myValue) { |
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|
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var pos = myField.scrollTop; |
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|
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Logger.debug('edInsertContent "'+myValue+'", scrollTop='+pos); |
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//IE support |
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if (document.selection) { |
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myField.focus(); |
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sel = document.selection.createRange(); |
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sel.text = myValue; |
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myField.focus(); |
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} |
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//MOZILLA/NETSCAPE support |
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else if (myField.selectionStart || myField.selectionStart == '0') { |
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var startPos = myField.selectionStart; |
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var endPos = myField.selectionEnd; |
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myField.value = myField.value.substring(0, startPos) |
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+ myValue |
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+ myField.value.substring(endPos, myField.value.length); |
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myField.focus(); |
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myField.selectionStart = startPos + myValue.length; |
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myField.selectionEnd = startPos + myValue.length; |
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} else { |
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myField.value += myValue; |
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myField.focus(); |
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} |
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|
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if (pos && myField.scrollTop != pos) myField.scrollTop = pos; |
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} |
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|
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function edInsertLink(name, i, defaultValue) { |
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|
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myField = $( name ); |
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if (! myField) { |
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Logger.error("can't find "+name); |
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return false; |
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} |
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|
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if (!defaultValue) { |
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defaultValue = 'http://'; |
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} |
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if (!edCheckOpenTags(name, i)) { |
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var URL = prompt('Enter the URL' ,defaultValue); |
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if (URL) { |
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edButtons[i].tagStart = '<a href="' + URL + '">'; |
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edInsertTag(name, i); |
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} |
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} |
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else { |
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edInsertTag(name, i); |
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} |
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} |
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|
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/* additional methods on textarea */ |
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|
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/* |
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onkeydown="return edTab(event);" |
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*/ |
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function edTab(event) { |
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var e = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode; |
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if (e == 9) { |
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edInsertContent(edCanvas, '\t'); |
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// this is a fix for gecko-based browsers which force |
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// focus change on tab. It *should* be harmless for |
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// others, since edCavnas is allready focused |
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setTimeout('edCanvas.focus();', 1); |
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return false; |
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} |
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return true; |
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} |
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|
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/* |
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onfocus="return edFocus('template_content');" |
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*/ |
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function edFocus( name ) { |
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Logger.info('edFocus '+name); |
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edCanvas = $( name ); |
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if (! edCanvas) Logger.error("can't find "+name); |
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edToolbar( name ); |
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return false; |
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} |
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|
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/* |
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onblur="return edBlur();" |
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*/ |
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function edBlur() { |
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Logger.info('edBlur'); |
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edCanvas = null; |
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return false; |
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} |
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|
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/* |
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call this function for cleanup of toolbar and other |
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temporary data. |
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*/ |
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function edKill( name ) { |
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Logger.info('edKill '+name); |
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edActiveToolbar[name] = null; |
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} |
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