var edButtons = new Array(); var edOpenTags = new Array(); var edCanvas = new Array(); function edButton(id, display, tagStart, tagEnd, access, open, location) { this.id = id; // used to name the toolbar button this.display = display; // label on button this.tagStart = tagStart; // open tag this.tagEnd = tagEnd; // close tag this.access = access; // access key this.open = open; // set to -1 if tag does not need to be closed this.location = location } edButtons[edButtons.length] = new edButton('ed_italic','italic','','','i'); edButtons[edButtons.length] = new edButton('ed_bold','bold','','','b'); edButtons[edButtons.length] = new edButton('ed_block','b-quote','
','
','q'); edButtons[edButtons.length] = new edButton('ed_link','link','','','l','-1','edInsertLink'); edButtons[edButtons.length] = new edButton('ed_break','break','','','t','-1'); function edShowButton(button, i, id) { if (button.location) { document.write('' + button.display + ''); } else { document.write('' + button.display + ''); } } function edAddTag(button) { if (edButtons[button].tagEnd != '') { edOpenTags[edOpenTags.length] = button; document.getElementById(edButtons[button].id).alt = '/' + document.getElementById(edButtons[button].id).alt; document.getElementById(edButtons[button].id).style.border = 'solid red 1px'; } } function edRemoveTag(button) { for (i = 0; i < edOpenTags.length; i++) { if (edOpenTags[i] == button) { edOpenTags.splice(i, 1); document.getElementById(edButtons[button].id).alt = document.getElementById(edButtons[button].id).alt.replace('/', ''); document.getElementById(edButtons[button].id).style.border = ''; } } } function edCheckOpenTags(button) { var tag = 0; for (i = 0; i < edOpenTags.length; i++) { if (edOpenTags[i] == button) { tag++; } } if (tag > 0) { return true; // tag found } else { return false; // tag not found } } function edCloseAllTags(id) { var count = edOpenTags.length; for (o = 0; o < count; o++) { edInsertTag(edCanvas[id], edOpenTags[edOpenTags.length - 1]); } } function edToolbar(id) { document.write('
'); for (i = 0; i < edButtons.length; i++) { edShowButton(edButtons[i], i, id); } document.write('Close Tags'); document.write('
'); } // insertion code function edInsertTag(myField, i) { //IE support if (document.selection) { myField.focus(); sel = document.selection.createRange(); if (sel.text.length > 0) { sel.text = edButtons[i].tagStart + sel.text + edButtons[i].tagEnd; } else { if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') { sel.text = edButtons[i].tagStart; edAddTag(i); } else { sel.text = edButtons[i].tagEnd; edRemoveTag(i); } } myField.focus(); } //MOZILLA/NETSCAPE support else if (myField.selectionStart || myField.selectionStart == '0') { var startPos = myField.selectionStart; var endPos = myField.selectionEnd; var cursorPos = endPos; if (startPos != endPos) { myField.value = myField.value.substring(0, startPos) + edButtons[i].tagStart + myField.value.substring(startPos, endPos) + edButtons[i].tagEnd + myField.value.substring(endPos, myField.value.length); cursorPos += edButtons[i].tagStart.length + edButtons[i].tagEnd.length; } else { if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') { myField.value = myField.value.substring(0, startPos) + edButtons[i].tagStart + myField.value.substring(endPos, myField.value.length); edAddTag(i); cursorPos = startPos + edButtons[i].tagStart.length; } else { myField.value = myField.value.substring(0, startPos) + edButtons[i].tagEnd + myField.value.substring(endPos, myField.value.length); edRemoveTag(i); cursorPos = startPos + edButtons[i].tagEnd.length; } } myField.focus(); myField.selectionStart = cursorPos; myField.selectionEnd = cursorPos; } else { if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') { myField.value += edButtons[i].tagStart; edAddTag(i); } else { myField.value += edButtons[i].tagEnd; edRemoveTag(i); } myField.focus(); } } function edInsertContent(myField, myValue) { //IE support if (document.selection) { myField.focus(); sel = document.selection.createRange(); sel.text = myValue; myField.focus(); } //MOZILLA/NETSCAPE support else if (myField.selectionStart || myField.selectionStart == '0') { var startPos = myField.selectionStart; var endPos = myField.selectionEnd; myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length); myField.focus(); myField.selectionStart = startPos + myValue.length; myField.selectionEnd = startPos + myValue.length; } else { myField.value += myValue; myField.focus(); } } function edInsertLink(myField, i, defaultValue) { if (!defaultValue) { defaultValue = 'http://'; } if (!edCheckOpenTags(i)) { var URL = prompt('Enter the URL' ,defaultValue); if (URL) { edButtons[i].tagStart = 'Link Text'; edInsertTag(myField, i); } } else { edInsertTag(myField, i); } }