From cffa4edb722b080091cb417b734dbff1907eafb2 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind1991@gmail.com>
Date: Wed, 8 Sep 2010 01:43:40 +0200
Subject: [PATCH] provide a basic viewer for text files

---
 inc/lib_base.php                      |  9 ++++++
 inc/templates/header.php              |  3 ++
 plugins/textviewer/lib_textviewer.php |  5 ++++
 plugins/textviewer/plugin.xml         | 14 ++++++++++
 plugins/textviewer/style.css          | 26 +++++++++++++++++
 plugins/textviewer/textviewer.js      | 40 +++++++++++++++++++++++++++
 6 files changed, 97 insertions(+)
 create mode 100644 plugins/textviewer/lib_textviewer.php
 create mode 100644 plugins/textviewer/plugin.xml
 create mode 100644 plugins/textviewer/style.css
 create mode 100644 plugins/textviewer/textviewer.js

diff --git a/inc/lib_base.php b/inc/lib_base.php
index 6cf820207b6..19288f58c73 100644
--- a/inc/lib_base.php
+++ b/inc/lib_base.php
@@ -112,6 +112,7 @@ $loginresult=OC_USER::loginlisener();
  */
 class OC_UTIL {
 	public static $scripts=array();
+	public static $styles=array();
 	private static $fsSetup=false;
 	
 	public static function setupFS(){// configure the initial filesystem based on the configuration
@@ -182,6 +183,14 @@ class OC_UTIL {
   public static function addScript($url){
       self::$scripts[]=$url;
   }
+  /**
+   * add a css file
+   *
+   * @param url  $url
+   */
+  public static function addStyle($url){
+      self::$styles[]=$url;
+  }
 
   /**
    * array to store all the optional navigation buttons of the plugins
diff --git a/inc/templates/header.php b/inc/templates/header.php
index e016cd9f021..f39ac9debb9 100644
--- a/inc/templates/header.php
+++ b/inc/templates/header.php
@@ -31,6 +31,9 @@
 foreach(OC_UTIL::$scripts as $script){
     echo("<script type='text/ecmascript' src='$WEBROOT/$script'></script>\n");
 }
+foreach(OC_UTIL::$styles as $style){
+    echo("<link rel='stylesheet' type='text/css' href='$style'/>\n");
+}
 ?>
 	<script type='text/ecmascript'>
 	var WEBROOT='<?php echo($WEBROOT)?>';
diff --git a/plugins/textviewer/lib_textviewer.php b/plugins/textviewer/lib_textviewer.php
new file mode 100644
index 00000000000..5b3b90d3b6b
--- /dev/null
+++ b/plugins/textviewer/lib_textviewer.php
@@ -0,0 +1,5 @@
+<?php
+//load the required js and css files 
+OC_UTIL::addScript('plugins/textviewer/textviewer.js');
+OC_UTIL::addStyle('plugins/textviewer/style.css');
+?>
diff --git a/plugins/textviewer/plugin.xml b/plugins/textviewer/plugin.xml
new file mode 100644
index 00000000000..a17be4730de
--- /dev/null
+++ b/plugins/textviewer/plugin.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0"?> 
+<plugin version='1.0'>
+	<info>
+		<id>textviewer</id>
+		<name>A simple text viewer for ownCloud</name>
+		<version>0.1</version>
+		<licence>AGPL</licence>
+		<author>Icewind</author>
+		<require>1.1</require>
+	</info>
+	<runtime>
+		<include>lib_textviewer.php</include>
+	</runtime>
+</plugin> 
diff --git a/plugins/textviewer/style.css b/plugins/textviewer/style.css
new file mode 100644
index 00000000000..18cb1b013dd
--- /dev/null
+++ b/plugins/textviewer/style.css
@@ -0,0 +1,26 @@
+#textframe{
+	position:absolute;
+	top:0px;
+	left:0px;
+	height:100%;
+	width:100%;
+	background:rgb(20,20,20);
+	background:rgba(20,20,20,0.9);
+	text-align:center;
+}
+
+#textframe div{
+	vertical-align:middle;
+	text-align:left;
+	height:auto;
+	max-height:90%;
+	max-width:90%;
+	margin:20px;
+	margin-left:auto;
+	margin-right:auto;
+	margin-bottom:10px;
+	border: black solid 3px;
+	background:black;
+	color:white;
+	overflow:auto;
+}
\ No newline at end of file
diff --git a/plugins/textviewer/textviewer.js b/plugins/textviewer/textviewer.js
new file mode 100644
index 00000000000..fd6b48f8896
--- /dev/null
+++ b/plugins/textviewer/textviewer.js
@@ -0,0 +1,40 @@
+OC_TextViewer=new Object();
+
+OC_TextViewer.loader=new OCXMLLoader();
+OC_TextViewer.showText=function(dir,file){
+	var path=WEBROOT+'/files/open_file.php?dir='+encodeURIComponent(dir)+'&file='+encodeURIComponent(file);
+	var div=document.createElement('div');
+	div.setAttribute('id','textframe');
+	div.setAttribute('class','center');
+	div.addEvent('onclick',OC_TextViewer.hideText)
+	OC_TextViewer.textFrame=document.createElement('div');
+	div.appendChild(OC_TextViewer.textFrame);
+	body=document.getElementsByTagName('body').item(0);
+	body.appendChild(div);
+	OC_TextViewer.loader.setCallBack(OC_TextViewer.showTexCallback);
+	OC_TextViewer.loader.load(path);
+}
+
+OC_TextViewer.showTexCallback=function(req){
+	var text=req.responseText;
+	OC_TextViewer.textFrame.innerHTML=OC_TextViewer.prepareText(text);
+}
+
+OC_TextViewer.hideText=function(){
+	var div=document.getElementById('textframe');
+	div.parentNode.removeChild(div);
+} 
+
+OC_TextViewer.prepareText=function(text){
+	text=text.replace(/\n/g,"<br/>\n");
+	return text;
+}
+
+if(!OC_FILES.fileActions.text){
+	OC_FILES.fileActions.text=new Object()
+}
+OC_FILES.fileActions.text.show=function(){
+	OC_TextViewer.showText(this.dir,this.file);
+}
+
+OC_FILES.fileActions.text['default']=OC_FILES.fileActions.text.show;
\ No newline at end of file