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wiki/pub/guiedit/README

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+The images in this directory are part of the GUIEdit module
+for PmWiki, Copyright 2005-2006 Patrick R. Michaud (pmichaud@pobox.com)
+These images are part of PmWiki; you can redistribute it and/or modify
+them under the terms of the GNU General Public License as published
+by the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.  See pmwiki.php for full details.

wiki/pub/guiedit/guiedit.js

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+/*  Copyright 2004 Patrick R. Michaud (pmichaud@pobox.com)
+    This file is part of PmWiki; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published
+    by the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.  See pmwiki.php for full details.
+
+    This file provides Javascript functions to support WYSIWYG-style
+    editing.  The concepts are borrowed from the editor used in Wikipedia,
+    but the code has been rewritten from scratch to integrate better with
+    PHP and PmWiki's codebase.  
+*/
+
+function insButton(mopen, mclose, mtext, mlabel, mkey) {
+  if (mkey > '') { mkey = 'accesskey="' + mkey + '" ' }
+  document.write("<a tabindex='-1' " + mkey + "onclick=\"insMarkup('"
+    + mopen + "','"
+    + mclose + "','"
+    + mtext + "');\">"
+    + mlabel + "</a>");
+}
+
+function insMarkup(mopen, mclose, mtext) {
+  var tarea = document.getElementById('text');
+  if (tarea.setSelectionRange > '') {
+    var p0 = tarea.selectionStart;
+    var p1 = tarea.selectionEnd;
+    var top = tarea.scrollTop;
+    var str = mtext;
+    var cur0 = p0 + mopen.length;
+    var cur1 = p0 + mopen.length + str.length;
+    while (p1 > p0 && tarea.value.substring(p1-1, p1) == ' ') p1--; 
+    if (p1 > p0) {
+      str = tarea.value.substring(p0, p1);
+      cur0 = p0 + mopen.length + str.length + mclose.length;
+      cur1 = cur0;
+    }
+    tarea.value = tarea.value.substring(0,p0)
+      + mopen + str + mclose
+      + tarea.value.substring(p1);
+    tarea.focus();
+    tarea.selectionStart = cur0;
+    tarea.selectionEnd = cur1;
+    tarea.scrollTop = top;
+  } else if (document.selection) {
+    var str = document.selection.createRange().text;
+    tarea.focus();
+    range = document.selection.createRange()
+    if (str == '') {
+      range.text = mopen + mtext + mclose;
+      range.moveStart('character', -mclose.length - mtext.length );
+      range.moveEnd('character', -mclose.length );
+    } else {
+      if (str.charAt(str.length - 1) == " ") {
+        mclose = mclose + " ";
+        str = str.substr(0, str.length - 1);
+      }
+      range.text = mopen + str + mclose;
+    }
+    range.select();
+  } else { tarea.value += mopen + mtext + mclose; }
+  return;
+}