2 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
3 * Copyright (C) 2002-2012 The Nucleus Group
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 * (see nucleus/documentation/index.html#license for more info)
11 * This file contains functions to allow adding items from inside the weblog.
12 * Also contains code to avoid submitting form data twice.
15 var nucleusConvertBreaks = true;
16 var nucleusMediaPopupURL = '';
17 var nucleusMediaURL = 'media/';
18 var nucleusAuthorId = 0;
21 function setConvertBreaks(newval) { nucleusConvertBreaks = newval; }
22 function setMediaUrl(url) { nucleusMediaURL = url; }
23 function setAuthorId(id) { nucleusAuthorId = id; }
25 function preview(id, value) {
26 elem = document.getElementById(id);
29 var preview = nucleusConvertBreaks ? str_replace("\n","<br />",value)+" " : value+" ";
31 // expand the media commands (without explicit collection)
32 preview = preview.replace(/\<\%image\(([^\/\|]*)\|([^\|]*)\|([^\|]*)\|([^)]*)\)\%\>/g,"<img src='"+nucleusMediaURL+nucleusAuthorId+"/$1' width='$2' height='$3' alt=\"$4\" />");
34 // expand the media commands (with collection)
35 preview = preview.replace(/\<\%image\(([^\|]*)\|([^\|]*)\|([^\|]*)\|([^)]*)\)\%\>/g,"<img src='"+nucleusMediaURL+"$1' width='$2' height='$3' alt=\"$4\" />");
36 preview = preview.replace(/\<\%popup\(([^\|]*)\|([^\|]*)\|([^\|]*)\|([^)]*)\)\%\>/g,"<a href='' onclick='if (event && event.preventDefault) event.preventDefault(); alert(\"popup image\"); return false;' title='popup'>$4</a>");
37 preview = preview.replace(/\<\%media\(([^\|]*)\|([^)]*)\)\%\>/g,"<a href='' title='media link'>$2</a>");
39 elem.innerHTML = preview;
43 prevval = document.getElementById('edit').style.display;
44 if (prevval == "block")
48 document.getElementById('edit').style.display = newval;
50 if (newval == "block")
54 function updAllPreviews() {
60 function isEditVisible() {
61 var editform = document.getElementById('edit');
62 if (!editform) return true;
63 var prevval = editform.style.display;
64 return (prevval == "none") ? false : true;
67 function updPreview(id) {
68 // don't update when preview is hidden
69 if (!isEditVisible()) return;
71 var inputField = document.getElementById('input' + id);
72 if (!inputField) return;
73 preview('prev' + id, inputField.value);
76 // replace a in s by b (taken from milov.nl)
77 function str_replace(a, b, s)
79 if (a == b || !s.length || !a.length) return s;
80 if ((p=s.indexOf(a)) == -1) { return s; }
81 else { ns = s.substring(0,p) + b + s.substring(p+a.length,s.length); }
82 return (s.indexOf(a) != -1) ? str_replace(a, b, ns) : ns;
85 function shortCuts() {
86 if (!event || (event.ctrlKey != true)) return;
88 switch (event.keyCode) {
90 ahrefThis(); break; // ctrl-shift-a
92 boldThis(); break; // ctrl-shift-b
94 italicThis(); break; // ctrl-shift-i
96 addMedia(); break; // ctrl-shift-m
103 function cutThis() { execAndUpdate('cut'); }
104 function copyThis() { execAndUpdate('copy'); }
105 function pasteThis() { execAndUpdate('paste'); }
106 function boldThis() { insertAroundCaret('<b>','</b>'); }
107 function italicThis() { insertAroundCaret('<i>','</i>'); }
108 function leftThis() { insertAroundCaret('<div class="leftbox">','</div>'); }
109 function rightThis() { insertAroundCaret('<div class="rightbox">','</div>'); }
110 function alignleftThis() { insertAroundCaret('<div style="text-align: left">','</div>'); }
111 function alignrightThis() { insertAroundCaret('<div style="text-align: right">','</div>'); }
112 function aligncenterThis() { insertAroundCaret('<div style="text-align: center">','</div>'); }
115 function ahrefThis() {
116 if (document.selection)
117 strSelection = document.selection.createRange().text;
121 strHref = prompt("Create a link to:","http://");
122 if (strHref == null) return;
124 var textpre = "<a href=\"" + strHref.replace(/&/g,'&') + "\">";
125 insertAroundCaret(textpre, "</a>");
128 function execAndUpdate(action) {
129 lastSelected.caretPos.execCommand(action);
134 var nonie_FormType = 'body';
136 // Add media to new item
137 function addMedia() {
139 var mediapopup = window.open(nucleusMediaPopupURL + 'media.php','name',
140 'status=yes,toolbar=no,scrollbars=yes,resizable=yes,width=500,height=450,top=0,left=0');
146 function setMediaPopupURL(url) {
147 nucleusMediaPopupURL = url;
150 function includeImage(collection, filename, type, width, height) {
151 if (isCaretEmpty()) {
152 text = prompt("Text to display ?", filename);
154 text = getCaretText();
157 // add collection name when not private collection (or editing a message that's not your)
159 if (isNaN(collection) || (nucleusAuthorId != collection)) {
160 fullName = collection + '/' + filename;
169 replaceBy = '<%popup(' + fullName + '|'+width+'|'+height+'|' + text +')%>';
173 replaceBy = '<%image(' + fullName + '|'+width+'|'+height+'|' + text +')%>';
176 insertAtCaret(replaceBy);
182 function includeOtherMedia(collection, filename) {
183 if (isCaretEmpty()) {
184 text = prompt("Text to display ?", filename);
186 text = getCaretText();
189 // add collection name when not private collection (or editing a message that's not your)
191 if (isNaN(collection) || (nucleusAuthorId != collection)) {
192 fullName = collection + '/' + filename;
197 var replaceBy = '<%media(' + fullName + '|' + text +')%>';
199 insertAtCaret(replaceBy);
205 // function to prevent submitting form data twice
207 function checkSubmit() {
208 if (submitcount == 0) {
217 // code to store the caret (cursor) position of a text field/text area
218 // taken from javascript.faqts and modified
219 // http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
222 var lastSelected, lastCaretPos;
223 function storeCaret (textEl) {
226 if (textEl.createTextRange)
227 //textEl.caretPos = document.selection.createRange().duplicate();
228 lastCaretPos = document.selection.createRange().duplicate();
230 // also store lastselectedelement
231 lastSelected = textEl;
233 nonie_FormType = textEl.name;
235 scrollTop = textEl.scrollTop;
240 // inserts text at caret (overwriting selection)
241 function insertAtCaret (text) {
242 var textEl = lastSelected;
243 if (textEl && textEl.createTextRange && lastCaretPos) {
244 var caretPos = lastCaretPos;
245 caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
246 } else if (!document.all && document.getElementById) {
247 mozReplace(document.getElementById('input' + nonie_FormType), text);
249 document.getElementById('input' + nonie_FormType).scrollTop = scrollTop;
252 textEl.value += text;
254 document.getElementById('input' + nonie_FormType).value += text;
256 document.getElementById('input' + nonie_FormType).scrollTop = scrollTop;
262 // inserts a tag around the selected text
263 function insertAroundCaret (textpre, textpost) {
264 var textEl = lastSelected;
266 if (textEl && textEl.createTextRange && lastCaretPos) {
267 var caretPos = lastCaretPos;
268 caretPos.text = textpre + caretPos.text + textpost;
269 } else if (!document.all && document.getElementById) {
270 mozWrap(document.getElementById('input' + nonie_FormType), textpre, textpost);
272 document.getElementById('input' + nonie_FormType).scrollTop = scrollTop;
275 document.getElementById('input' + nonie_FormType).value += textpre + textpost;
277 document.getElementById('input' + nonie_FormType).scrollTop = scrollTop;
284 /* some methods to get things working in Mozilla as well */
285 function mozWrap(txtarea, lft, rgt) {
286 var selLength = txtarea.textLength;
287 var selStart = txtarea.selectionStart;
288 var selEnd = txtarea.selectionEnd;
289 if (selEnd==1 || selEnd==2) selEnd=selLength;
290 var s1 = (txtarea.value).substring(0,selStart);
291 var s2 = (txtarea.value).substring(selStart, selEnd)
292 var s3 = (txtarea.value).substring(selEnd, selLength);
293 txtarea.value = s1 + lft + s2 + rgt + s3;
295 function mozReplace(txtarea, newText) {
296 var selLength = txtarea.textLength;
297 var selStart = txtarea.selectionStart;
298 var selEnd = txtarea.selectionEnd;
299 if (selEnd==1 || selEnd==2) selEnd=selLength;
300 var s1 = (txtarea.value).substring(0,selStart);
301 var s2 = (txtarea.value).substring(selStart, selEnd)
302 var s3 = (txtarea.value).substring(selEnd, selLength);
303 txtarea.value = s1 + newText + s3;
305 function mozSelectedText() {
306 var txtarea = document.getElementById('input' + nonie_FormType);
307 var selLength = txtarea.textLength;
308 var selStart = txtarea.selectionStart;
309 var selEnd = txtarea.selectionEnd;
310 if (selEnd==1 || selEnd==2) selEnd=selLength;
311 return (txtarea.value).substring(selStart, selEnd);
314 function getCaretText() {
315 if (!document.all && document.getElementById)
316 return mozSelectedText();
318 return lastCaretPos.text;
321 function isCaretEmpty() {
322 if (lastSelected && lastSelected.createTextRange && lastCaretPos)
323 return (lastCaretPos.text == '');
324 else if (!document.all && document.getElementById)
325 return (mozSelectedText() == '');
330 function BtnHighlight(el) {
332 borderLeft="1px solid gray";
333 borderRight="1px solid #e9e9e9";
334 borderTop="1px solid gray";
335 borderBottom="1px solid #e9e9e9";
339 function BtnNormal(el) {
342 border="1px solid #dddddd";