Initial revision

code/Image/delete.hac

@@ -0,0 +1,14 @@
+// check if user is logged in and is the owner of this weblog
+this.checkPermissions();
+
+if (req.data.submit == "delete")
+   this.__parent__.deleteImage(this);
+else if (req.data.submit == "cancel")
+   res.redirect(this.weblog.images.href("main"));
+
+res.skin = "main";
+res.title = "Antville - " + this.weblog.title;
+res.head = this.weblog.renderSkinAsString("style");
+
+res.body = this.weblog.renderSkinAsString("header");
+res.body += this.renderSkinAsString("delete");

code/Image/delete.skin

@@ -0,0 +1,4 @@
+<FORM METHOD="POST">
+<P>Warning! You are about to delete the image <B><% this.alias %></B>! Be aware of the fact that there is no "undo", so if you klick on delete here the image will be gone forever!</P>
+<P><% this.input type="button" value="delete" %>&nbsp;<% this.input type="button" value="cancel" %></P>
+</FORM>

code/Image/edit.hac

@@ -0,0 +1,14 @@
+// check if user is logged in and is the owner of this weblog
+this.checkPermissions();
+
+if (req.data.submit == "cancel")
+   res.redirect(this.weblog.images.href());
+
+this.evalImg();
+
+res.skin = "main";
+res.title = "Antville - " + this.weblog.title;
+res.head = this.weblog.renderSkinAsString("style");
+
+res.body = this.weblog.renderSkinAsString("header");
+res.body += this.renderSkinAsString("edit");

code/Image/edit.skin

@@ -0,0 +1,6 @@
+<FORM METHOD="POST">
+<P><% this.show %></P>
+<P>Alias:<% this.alias as="editor" %></P>
+<P>Alttext:<% this.alttext as="editor" %></P>
+<P><% this.input type="button" value="save" %>&nbsp;<% this.input type="button" value="cancel" %>
+</FORM>

code/Image/macros.js

@@ -0,0 +1,76 @@
+/**
+ * macro rendering alias of image
+ */
+
+function alias_macro(param) {
+   renderPrefix(param);
+   if (param.as == "editor")
+      this.renderInputText(this.createInputParam("alias",param));
+   else
+      res.write(this.alias);
+   renderSuffix(param);
+}
+
+
+/**
+ * macro rendering alternate text of image
+ */
+
+function alttext_macro(param) {
+   renderPrefix(param);
+   if (param.as == "editor")
+      this.renderInputText(this.createInputParam("alttext",param));
+   else
+      res.write(this.alttext);
+   renderSuffix(param);
+}
+
+/**
+ * macro renders a link for editing image
+ */
+
+function editlink_macro(param) {
+   renderPrefix(param);
+   var linkParam = new HopObject();
+   linkParam.linkto = "edit";
+   this.openLink(linkParam);
+   if (!param.image)
+      res.write(param.text ? param.text : "edit");
+   else
+      this.renderImage(param);
+   this.closeLink();
+   renderSuffix(param);
+}
+
+/**
+ * macro rendering a link to delete
+ * if user is owner of this story
+ */
+
+function deletelink_macro(param) {
+   renderPrefix(param);
+   if (this.weblog && this.weblog.owner == user) {
+      var linkParam = new HopObject();
+      linkParam.linkto = "delete";
+      this.openLink(linkParam);
+      if (!param.image)
+         res.write(param.text ? param.text : "delete");
+      else
+         this.renderImage(param);
+      this.closeLink();
+   }
+   renderSuffix(param);
+}
+
+/**
+ * macro renders a preview of this image
+ */
+
+function show_macro(param) {
+   renderPrefix(param);
+   res.write("<IMG SRC=\"" + getProperty("imgUrl") + this.weblog.alias + "/" + this.filename + "." + this.fileext + "\"");
+   res.write(" WIDTH=\"" + (param && param.as == "preview" ? Math.round(this.width / 2) : this.width) + "\"");
+   res.write(" HEIGHT=\"" + (param && param.as == "preview" ? Math.round(this.height / 2) : this.height) + "\"");
+   res.write(" BORDER=\"0\">");
+   renderSuffix(param);
+}

code/Image/new.skin

@@ -0,0 +1,8 @@
+<FORM METHOD="POST" ENCTYPE="multipart/form-data">
+<P>Alias:<% this.alias as="editor" %></P>
+<P>Alttext:<% this.alttext as="editor" %></P>
+<P>Upload: <% this.input type="file" name="rawimage" %></P>
+<P>maximum width: <% this.input type="text" name="maxWidth" width="5" %><BR>
+maximum height: <% this.input type="text" name="maxHeight" width="5" %><BR></P>
+<P><% this.input type="button" value="save" %>&nbsp;<% this.input type="button" value="cancel" %>
+</FORM>

code/Image/objectFunctions.js

@@ -0,0 +1,66 @@
+/**
+ * save image as file on local disk
+ * but before check if image should be resized
+ * input params:  - uploaded image
+ *                - parameter-object
+ * return param:  - parameter-object with add. props
+ */
+
+function saveImg(rawimage) {
+   if (rawimage && (!rawimage.contentType || rawimage.contentType.indexOf("image/") < 0)) {
+      // whatever the user has uploaded, it was no image! 
+      this.cache.error = true; 
+      res.message = "This was definetly no image!"; 
+   } else {
+      // determine filetype of image (one could do this also by checking the mimetype) 
+      this.fileext = rawimage.name.substring(rawimage.name.lastIndexOf(".") + 1); 
+      var img = new Image(rawimage.getContent()); 
+      // check if resizing is necessary 
+      if (this.cache.maxWidth && this.cache.maxHeight && img.width > this.cache.maxWidth && img.height > this.cache.maxHeight) {
+         var hfact = this.cache.maxWidth / img.width; 
+         var vfact = this.cache.maxHeight / img.height; 
+         this.width = Math.round(img.width * (hfact < vfact ? hfact : vfact)); 
+         this.height = Math.round(img.height * (hfact < vfact ? hfact : vfact)); 
+         var doResize = true; 
+      } else if (this.cache.maxWidth && img.width > this.cache.maxWidth) {
+         var fact = this.cache.maxWidth / img.width; 
+         this.width = this.cache.maxWidth; 
+         this.height = Math.round(img.height * fact); 
+         var doResize = true; 
+      } else if (this.cache.maxHeight && img.height > this.cache.maxHeight) {
+         var fact = this.cache.maxHeight / img.height; 
+         this.height = this.cache.maxHeight; 
+         this.width = Math.round(img.width * fact); 
+         var doResize = true; 
+      } else {
+         // no resizing done
+         this.width = img.width;
+         this.height = img.height;
+      }
+      if (doResize) { 
+         img.resize(this.width,this.height); 
+         if (rawimage.contentType == 'image/gif')
+            img.reduceColors(256); 
+      }
+      // finally we save the image 
+      img.saveAs(this.cache.saveTo + this.filename + "." + this.fileext); 
+   } 
+   return; 
+}
+
+
+/**
+ * function checks if new image-parameters are correct ...
+ */
+
+function evalImg() {
+   if (req.data.alias) {
+      if (req.data.alias != this.alias) {
+         // alias has changed ...
+         this.weblog.images.changeAlias(this);
+      }
+      this.alttext = req.data.alttext;
+      res.message = "Changes saved successfully!";
+      res.redirect(this.weblog.images.href());
+   }
+}

code/Image/preview.skin

@@ -0,0 +1 @@
+<% this.show as="preview" %><% this.editlink prefix="&nbsp;" %><% this.deletelink prefix="&nbsp;" %><BR>

code/Image/securityFunction.js

@@ -0,0 +1,10 @@
+/**
+ * check if user is allowed to edit this story
+ */
+
+function checkPermissions() {
+   if (this.creator != user || user.isBlocked()) {
+      res.message = "Sorry, you're not allowed to edit this image!";
+      res.redirect(this.weblog.href());
+   }
+}

code/Image/type.properties

@@ -0,0 +1,17 @@
+_datasource=antville
+_tablename=IMAGE
+
+_id=ID
+_parent=weblog.images[named]
+
+weblog=WEBLOG_ID>weblog.ID
+alias=ALIAS
+filename=FILENAME
+fileext=FILEEXT
+width=WIDTH
+height=HEIGHT
+alttext=ALTTEXT
+createtime=CREATETIME
+creator=CREATOR>user.ID
+modifytime=MODIFYTIME
+modifier=MODIFIER>user.ID