From 6706355138f27e6b71bca82fb60f4f122d0b9a8e Mon Sep 17 00:00:00 2001
From: joyqi <magike.net@gmail.com>
Date: Mon, 21 Oct 2013 19:15:07 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BC=96=E8=BE=91=E5=99=A8=E6=8B=96=E5=8A=A8?=
 =?UTF-8?q?=E8=B0=83=E6=95=B4=E5=A4=A7=E5=B0=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 admin/js/typecho.js  | 73 +++++++++++++++++++++++++++++++++++++++++++-
 admin/write-js.php   |  3 ++
 admin/write-page.php |  1 -
 admin/write-post.php |  1 -
 4 files changed, 75 insertions(+), 3 deletions(-)

diff --git a/admin/js/typecho.js b/admin/js/typecho.js
index e4ef5e13..86796265 100644
--- a/admin/js/typecho.js
+++ b/admin/js/typecho.js
@@ -1,6 +1,14 @@
 (function (w) {
     w.Typecho = {
-        insertFileToEditor  :   function (file, url, isImage) {}
+        insertFileToEditor  :   function (file, url, isImage) {},
+        editorResize        :   function (id, url) {
+            $('#' + id).resizeable({
+                minHeight   :   100,
+                afterResize :   function (h) {
+                    $.post(url, {size : h});
+                }
+            })
+        }
     };
 })(window);
 
@@ -23,6 +31,69 @@
         });
     };
 
+    $.fn.resizeable = function (options) {
+        var s = $.extend({
+            minHeight   :   100,
+            afterResize :   null
+        }, options);
+
+        return this.each(function () {
+            var r = $('<span class="resize"><i></i></span>').insertAfter(this),
+                staticOffset, iLastMousePos = 0, iMin = s.minHeight, t = this;
+
+            function startDrag(e) {
+                textarea = $(e.data.el);
+                textarea.blur();
+                iLastMousePos = mousePosition(e).y;
+
+                staticOffset = textarea.height() - iLastMousePos;
+                textarea.css('opacity', 0.25);
+
+                $(document).mousemove(performDrag).mouseup(endDrag);
+                return false;
+            }
+
+            function performDrag(e) {
+                var iThisMousePos = mousePosition(e).y,
+                iMousePos = staticOffset + iThisMousePos;
+                if (iLastMousePos >= (iThisMousePos)) {
+                    iMousePos -= 5;
+                }
+
+                iLastMousePos = iThisMousePos;
+                iMousePos = Math.max(iMin, iMousePos);
+                textarea.height(iMousePos + 'px');
+
+                if (iMousePos < iMin) {
+                    endDrag(e);
+                }
+                return false;
+            }
+
+            function endDrag(e) {
+                var h = textarea.outerHeight();
+                $(document).unbind('mousemove', performDrag).unbind('mouseup', endDrag);
+
+                textarea.css('opacity', 1);
+                textarea.focus();
+                textarea = null;
+
+                staticOffset = null;
+                iLastMousePos = 0;
+
+                if (s.afterResize) {
+                    s.afterResize.call(t, h);
+                }
+            }
+
+            function mousePosition(e) {
+                return { x: e.clientX + document.documentElement.scrollLeft, y: e.clientY + document.documentElement.scrollTop };
+            }
+
+            r.bind('mousedown', {el : this}, startDrag);
+        });
+    };
+
     // 表格选择插件
     $.fn.tableSelectable = function (options) {
         var table = this, s = $.extend({
diff --git a/admin/write-js.php b/admin/write-js.php
index a96c69d8..89c1a6f8 100644
--- a/admin/write-js.php
+++ b/admin/write-js.php
@@ -34,6 +34,9 @@ $(document).ready(function() {
         minute          :   (new Date()).getMinutes()
     });
 
+    // text 自动拉伸
+    Typecho.editorResize('text', '<?php $options->index('/action/ajax?do=editorResize'); ?>');
+
     // tag autocomplete 提示
     var tags = $('#tags'), tagsPre = [];
     
diff --git a/admin/write-page.php b/admin/write-page.php
index cd65c9d1..90dfd96b 100644
--- a/admin/write-page.php
+++ b/admin/write-page.php
@@ -29,7 +29,6 @@ Typecho_Widget::widget('Widget_Contents_Page_Edit')->to($page);
                         <p class="mono url-slug"><?php echo preg_replace("/\{slug\}/i", $input, $permalink); ?></p>
                     <p>
                         <textarea style="height: <?php $options->editorSize(); ?>px" autocomplete="off" id="text" name="text" class="w-100 mono"><?php echo htmlspecialchars($page->text); ?></textarea>
-                        <span class="resize"><i></i></span>
                     </p>
                         
                     <?php include 'file-upload.php'; ?>
diff --git a/admin/write-post.php b/admin/write-post.php
index c1aad8e7..f2bbdcb6 100644
--- a/admin/write-post.php
+++ b/admin/write-post.php
@@ -34,7 +34,6 @@ Typecho_Widget::widget('Widget_Contents_Post_Edit')->to($post);
 
                     <p>
                         <textarea style="height: <?php $options->editorSize(); ?>px" autocomplete="off" id="text" name="text" class="w-100 mono"><?php echo htmlspecialchars($post->text); ?></textarea>
-                        <span class="resize"><i></i></span>
                     </p>
 
                     <?php include 'file-upload.php'; ?>