From ddf8a04fe3281e871c5311235b08185a5ceab797 Mon Sep 17 00:00:00 2001
From: Andreas Gohr <andi@splitbrain.org>
Date: Fri, 8 Jul 2011 12:20:02 +0200
Subject: moved some editor functions to a new dw_editor object

There are probably more functions that should go in here
---
 lib/scripts/editor.js | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 lib/scripts/editor.js

(limited to 'lib/scripts/editor.js')

diff --git a/lib/scripts/editor.js b/lib/scripts/editor.js
new file mode 100644
index 000000000..fbdb1d79a
--- /dev/null
+++ b/lib/scripts/editor.js
@@ -0,0 +1,116 @@
+/**
+ * The DokuWiki editor features
+ *
+ * These are the advanced features of the editor. It does NOT contain any
+ * code for the toolbar buttons and it functions. See toolbar.js for that.
+ */
+
+var dw_editor = {
+
+    /**
+     * initialize the default editor functionality
+     *
+     * All other functions can also be called separately for non-default
+     * textareas
+     */
+    init: function(){
+        var editor = jQuery('#wiki__text');
+        if(!editor.length) return;
+
+        dw_editor.initSizeCtl('#size__ctl',editor);
+    },
+
+    /**
+     * Add the edit window size and wrap controls
+     *
+     * Initial values are read from cookie if it exists
+     *
+     * @param selector ctlarea the div to place the controls
+     * @param selector editor  the textarea to control
+     */
+    initSizeCtl: function(ctlarea,editor){
+        var ctl      = jQuery(ctlarea);
+        var textarea = jQuery(editor);
+        if(!ctl.length || !textarea.length) return;
+
+        var hgt = DokuCookie.getValue('sizeCtl');
+        if(hgt){
+            textarea.css('height', hgt);
+        }else{
+            textarea.css('height', '300px');
+        }
+
+        var wrp = DokuCookie.getValue('wrapCtl');
+        if(wrp){
+            dw_editor.setWrap(textarea[0], wrp);
+        } // else use default value
+
+        var l = document.createElement('img');
+        var s = document.createElement('img');
+        var w = document.createElement('img');
+        l.src = DOKU_BASE+'lib/images/larger.gif';
+        s.src = DOKU_BASE+'lib/images/smaller.gif';
+        w.src = DOKU_BASE+'lib/images/wrap.gif';
+        jQuery(l).click(function(){dw_editor.sizeCtl(editor,100);});
+        jQuery(s).click(function(){dw_editor.sizeCtl(editor,-100);});
+        jQuery(w).click(function(){dw_editor.toggleWrap(editor);});
+        ctl.append(l);
+        ctl.append(s);
+        ctl.append(w);
+    },
+
+    /**
+     * This sets the vertical size of the editbox and adjusts the cookie
+     *
+     * @param selector editor  the textarea to control
+     * @param int val          the relative value to resize in pixel
+     */
+    sizeCtl: function(editor,val){
+        var textarea = jQuery(editor);
+        var height = parseInt(textarea.css('height'));
+        height += val;
+        textarea.css('height', height+'px');
+        DokuCookie.setValue('sizeCtl',textarea.css('height'));
+    },
+
+    /**
+     * Toggle the wrapping mode of the editor textarea and adjusts the
+     * cookie
+     *
+     * @param selector editor  the textarea to control
+     */
+    toggleWrap: function(editor){
+        var textarea = jQuery(editor);
+        var wrap = textarea.attr('wrap');
+        if(wrap && wrap.toLowerCase() == 'off'){
+            dw_editor.setWrap(textarea[0], 'soft');
+        }else{
+            dw_editor.setWrap(textarea[0], 'off');
+        }
+        DokuCookie.setValue('wrapCtl',textarea.attr('wrap'));
+    },
+
+    /**
+     * Set the wrapping mode of a textarea
+     *
+     * @author Fluffy Convict <fluffyconvict@hotmail.com>
+     * @author <shutdown@flashmail.com>
+     * @link   http://news.hping.org/comp.lang.javascript.archive/12265.html
+     * @link   https://bugzilla.mozilla.org/show_bug.cgi?id=41464
+     * @param  DomObject textarea
+     * @param  string wrapAttrValue
+     */
+    setWrap: function(textarea, wrapAttrValue){
+        textarea.setAttribute('wrap', wrapAttrValue);
+
+        // Fix display for mozilla
+        var parNod = textarea.parentNode;
+        var nxtSib = textarea.nextSibling;
+        parNod.removeChild(textarea);
+        parNod.insertBefore(textarea, nxtSib);
+    }
+
+
+};
+
+jQuery(dw_editor.init);
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