From 87f4f3dfd4f99c0150abcbdf27b88eb59c1e88e0 Mon Sep 17 00:00:00 2001
From: ianb <devnull@localhost>
Date: Wed, 6 Jul 2005 09:08:10 +0000
Subject: Seperated out file types into more classes, with more delegation to
 the class; added templates for particular views

---
 examples/filebrowser/pathobj.py              | 72 ++++++++++++++++++++++++----
 examples/filebrowser/templates/edit_html.pt  | 27 +++++++++++
 examples/filebrowser/templates/edit_text.pt  | 62 +++++++++++++++++++++++-
 examples/filebrowser/templates/view_file.pt  | 15 ++----
 examples/filebrowser/templates/view_html.pt  |  9 ++++
 examples/filebrowser/templates/view_image.pt |  6 +++
 examples/filebrowser/templates/view_text.pt  |  7 +++
 7 files changed, 176 insertions(+), 22 deletions(-)
 create mode 100644 examples/filebrowser/templates/edit_html.pt
 create mode 100644 examples/filebrowser/templates/view_html.pt
 create mode 100644 examples/filebrowser/templates/view_image.pt
 create mode 100644 examples/filebrowser/templates/view_text.pt

(limited to 'examples')

diff --git a/examples/filebrowser/pathobj.py b/examples/filebrowser/pathobj.py
index 015b882..15a7628 100644
--- a/examples/filebrowser/pathobj.py
+++ b/examples/filebrowser/pathobj.py
@@ -23,8 +23,15 @@ class PathContext(object):
             ptype = 'dir'
         else:
             ptype = os.path.splitext(filename)[1]
-        path_class = self.path_classes.get(
-            ptype, self.path_classes['*'])
+        path_class = self.path_classes.get(ptype)
+        if not path_class:
+            mimetype, encoding = mimetypes.guess_type(filename)
+            if mimetype:
+                path_class = self.path_classes.get(mimetype)
+            if mimetype and not path_class:
+                path_class = self.path_classes.get(mimetype.split('/')[0]+'*')
+        if not path_class:
+            path_class = self.path_classes['*']
         return path_class(path, filename, self)
 
     @classmethod
@@ -46,6 +53,8 @@ class Path(sitepage.SitePage):
         default_action='view_raw')
 
     isdir = False
+    allow_edit = False
+    view_file_view = 'view_file.pt'
 
     def __init__(self, path, filename, context):
         super(Path, self).__init__()
@@ -71,6 +80,7 @@ class Path(sitepage.SitePage):
             'url': self.pathurl.up(),
             'name': self.pathurl.up().name() or 'root',
             }
+        self.options.allow_edit = self.allow_edit
         self.setup_file()
         
     def setup_file(self):
@@ -79,12 +89,20 @@ class Path(sitepage.SitePage):
             self.options.content = self.read()
         else:
             self.options.content = None
-        self.options.is_image = mime and mime.startswith('image/')
         self.options.use_iframe = mime == 'text/html'
 
     def action_view(self):
-        self.view = 'view_file.pt'
-        self.options.allow_edit = self.mimetype.startswith('text/')
+        self.view = self.view_file_view
+
+    def action_download(self):
+        # @@: This loads the entire file into memory, but currently
+        # Wareweb has no streaming method -- really it should forward
+        # the request to a WSGI file-serving application
+        self.view = None
+        self.set_header('content-type', self.mimetype)
+        f = open(self.filename, 'rb')
+        self.write(f.read())
+        f.close()
 
     def join(self, name):
         parts = name.split('/')
@@ -121,11 +139,6 @@ class Path(sitepage.SitePage):
                 content = self.bad_regex.sub('', content)
         self.write(content)
 
-    def action_edit(self):
-        self.view = 'edit_text.pt'
-        self.options.content = self.read()
-        self.options.action = str(self.pathurl)
-
     def action_save(self):
         content = self.fields.content
         f = open(self.filename, 'wb')
@@ -142,6 +155,45 @@ class Path(sitepage.SitePage):
         
 PathContext.register_class(Path)
 
+class Image(Path):
+
+    extensions = ['.png', '.gif', '.jpg', 'image/*']
+    view_file_view = 'view_image.pt'
+
+PathContext.register_class(Image)
+
+class TextFile(Path):
+
+    extensions = ['.txt', 'text/plain']
+    allow_edit = True
+    edit_view = 'edit_text.pt'
+
+    def action_view(self):
+        if self.fragment:
+            # The HTML iframe is nice in a fragment
+            self.view = 'view_html.pt'
+        else:
+            self.view = 'view_text.pt'
+
+    def action_edit(self):
+        self.view = self.edit_view
+        self.options.content = self.read()
+        self.options.action = str(self.pathurl)
+        self.options.ta_height = self.cookies.get('default_ta_height', 10)
+
+PathContext.register_class(TextFile)
+
+class HTMLFile(TextFile):
+
+    allow_edit = True
+    extensions = ['.html', '.htm', 'text/html']
+    edit_view = 'edit_html.pt'
+
+    def action_view(self):
+        self.view = 'view_html.pt'
+
+PathContext.register_class(HTMLFile)
+
 class Dir(Path):
 
     extensions = ['dir']
diff --git a/examples/filebrowser/templates/edit_html.pt b/examples/filebrowser/templates/edit_html.pt
new file mode 100644
index 0000000..10abb71
--- /dev/null
+++ b/examples/filebrowser/templates/edit_html.pt
@@ -0,0 +1,27 @@
+<html metal:use-macro="here/standard_template.pt/macros/page">
+
+<metal:head fill-slot="extra_head">
+<span tal:replace="structure servlet/setup_xinha"/>
+<script type="text/javascript">
+xinha_editors = ['txt-content'];
+
+</script>
+</metal:head>
+
+<metal:body fill-slot="body">
+
+<form tal:attributes="action options/action" method="POST">
+<input type="hidden" name="action" value="save">
+Edit:<br>
+<textarea name="content" id="txt-content" cols=60 style="width: 100%"
+ tal:attributes="rows options/ta_height"
+ tal:content="options/content"></textarea>
+<br>
+<input type="submit" value="Save">
+<button tal:attributes="onclick
+ servlet/pathurl/action=view/js_set_location">Cancel</button>
+
+</form>
+
+</metal:body>
+</html>
\ No newline at end of file
diff --git a/examples/filebrowser/templates/edit_text.pt b/examples/filebrowser/templates/edit_text.pt
index e2d7ba7..26ab12d 100644
--- a/examples/filebrowser/templates/edit_text.pt
+++ b/examples/filebrowser/templates/edit_text.pt
@@ -1,14 +1,72 @@
 <html metal:use-macro="here/standard_template.pt/macros/page">
+
+<metal:head fill-slot="extra_head">
+<script type="text/javascript">
+
+function adjust_textarea(id, adjustment) {
+    var el = $(id);
+    current = parseInt(el.getAttribute('rows'));
+    current += adjustment;
+    if (current < 2) {
+        current = 2;
+    }
+    el.setAttribute('rows', current);
+    createCookie('default_ta_height', current, 365*2);
+    return false;
+}
+
+function find_text(txt_id, input_id) {
+    var textarea = $(txt_id);
+    var txt = textarea.value.toLowerCase();
+    var input = $(input_id);
+    input.style.backgroundColor = '#fff';
+    var search_term = input.value.toLowerCase();
+    if (! search_term) {
+        return false;
+    }
+    var search_txt = txt;
+    var offset = 0;
+    if (textarea.selectionEnd - textarea.selectionStart) {
+        search_txt = txt.substring(textarea.selectionEnd);
+        offset = textarea.selectionEnd;
+    }
+    var pos = search_txt.indexOf(search_term);
+    if (pos == -1) {
+        input.style.backgroundColor = '#fdd';
+        textarea.selectionStart = textarea.selectionEnd = 0;
+        return false;
+    }
+    textarea.selectionStart = pos + offset;
+    textarea.selectionEnd = pos + offset + search_term.length;
+    return false;
+}
+
+</script>
+</metal:head>
+
 <metal:body fill-slot="body">
 
 <form tal:attributes="action options/action" method="POST">
 <input type="hidden" name="action" value="save">
 Edit:<br>
-<textarea name="content" rows=10 cols=60 style="width: 100%"
+<textarea name="content" id="txt-content" cols=60 style="width: 100%"
+ tal:attributes="rows options/ta_height"
  tal:content="options/content"></textarea>
 <br>
 <input type="submit" value="Save">
-<button tal:attributes="onclick servlet/pathurl/js_set_location">Cancel</button>
+<button tal:attributes="onclick
+ servlet/pathurl/action=view/js_set_location">Cancel</button>
+<button onclick="return adjust_textarea('txt-content', 1)">+</button>
+<button onclick="return adjust_textarea('txt-content', -1)">-</button>
+<a href="#" onclick="toggle('find-txt', {link: this}); return false" 
+ shownhtml="&amp;lt;&amp;lt;&amp;lt;"
+ style="text-decoration: none; color: #226">find...</a>
+<span id="find-txt" style="display: none">
+<input type="text" id="find-input" style="width: 5em">
+<button onclick="return find_text('txt-content',
+		    'find-input')">find</button>
+</span>
+
 </form>
 
 </metal:body>
diff --git a/examples/filebrowser/templates/view_file.pt b/examples/filebrowser/templates/view_file.pt
index d6ad93a..6872ffa 100644
--- a/examples/filebrowser/templates/view_file.pt
+++ b/examples/filebrowser/templates/view_file.pt
@@ -1,3 +1,4 @@
+<metal:tpl define-macro="view">
 <html metal:use-macro="here/standard_template.pt/macros/page">
 <metal:body fill-slot="body">
 
@@ -15,15 +16,9 @@ Mimetype: <span tal:replace="servlet/mimetype"/><br>
 
 </p>
 
-<pre tal:condition="python: options['content'] and not options['use_iframe']"
- tal:content="options/content">content</pre>
-
-<img tal:condition="options/is_image"
- tal:attributes="src servlet/pathurl/action=download">
-
-<iframe tal:condition="options/use_iframe"
- tal:attributes="src servlet/pathurl/action=download/html=clean"
- width="100%" height="200" name="test"></iframe>
+<metal:slot define-slot="view_inline">
+</metal:slot>
 
 </metal:body>
-</html>
\ No newline at end of file
+</html>
+</metal:tpl>
\ No newline at end of file
diff --git a/examples/filebrowser/templates/view_html.pt b/examples/filebrowser/templates/view_html.pt
new file mode 100644
index 0000000..b467426
--- /dev/null
+++ b/examples/filebrowser/templates/view_html.pt
@@ -0,0 +1,9 @@
+<html metal:use-macro="here/view_file.pt/macros/view">
+<metal:slot fill-slot="view_inline">
+<iframe width="100%" height="200" name="test"
+ tal:attributes="src
+ servlet/pathurl/action=download/html=clean"></iframe>
+
+</metal:slot>
+</html>
+
diff --git a/examples/filebrowser/templates/view_image.pt b/examples/filebrowser/templates/view_image.pt
new file mode 100644
index 0000000..193be66
--- /dev/null
+++ b/examples/filebrowser/templates/view_image.pt
@@ -0,0 +1,6 @@
+<html metal:use-macro="here/view_file.pt/macros/view">
+<metal:slot fill-slot="view_inline">
+<img tal:attributes="src servlet/pathurl/action=download">
+</metal:slot>
+</html>
+
diff --git a/examples/filebrowser/templates/view_text.pt b/examples/filebrowser/templates/view_text.pt
new file mode 100644
index 0000000..7606d4f
--- /dev/null
+++ b/examples/filebrowser/templates/view_text.pt
@@ -0,0 +1,7 @@
+<html metal:use-macro="here/view_file.pt/macros/view">
+<metal:slot fill-slot="view_inline">
+<pre style="overflow: auto"
+ tal:content="options/content">content</pre>
+</metal:slot>
+</html>
+
-- 
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