mujma: Added comments for ImageEditor?.php, fixed JSON bug, added status message after saving, added tmp folder delete after editing.

(merged from branches/gsoc)


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@41882 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2007-09-15 01:13:18 +00:00
parent ee61a1776d
commit 1fe66c0bf4
3 changed files with 116 additions and 22 deletions

View File

@ -1,18 +1,28 @@
<?php <?php
/**
* This Controller handles all operation needed for ImageEditor to work(expect for GD operations).
*
*/
class ImageEditor extends Controller { class ImageEditor extends Controller {
public $fileToEdit = ""; public $fileToEdit = "";
public function __construct() { /**
} * Includes all JS required for ImageEditor. This method requires setting
* a fileToEdit URL in POST.
*
* @return String
*/
public function index() { public function index() {
Requirements::clear(); Requirements::clear();
Requirements::javascript("jsparty/prototype.js"); Requirements::javascript("jsparty/prototype.js");
Requirements::javascript("jsparty/scriptaculous/scriptaculous.js"); Requirements::javascript("jsparty/scriptaculous/scriptaculous.js");
Requirements::javascript("/cms/javascript/ImageEditor/Require.js"); Requirements::javascript("/cms/javascript/ImageEditor/Require.js");
Requirements::javascript("cms/javascript/ImageEditor/ImageEditor.js"); Requirements::javascript("cms/javascript/ImageEditor/ImageEditor.js");
Requirements::javascript("jsparty/loader.js");
Requirements::javascript("jsparty/behaviour.js");
Requirements::javascript("cms/javascript/LeftAndMain.js");
Requirements::css("cms/css/ImageEditor/ImageEditor.css"); Requirements::css("cms/css/ImageEditor/ImageEditor.css");
if(!isset($this->requestParams['fileToEdit'])) $this->raiseError(); if(!isset($this->requestParams['fileToEdit'])) $this->raiseError();
@ -22,12 +32,16 @@
return $this->renderWith(__CLASS__); return $this->renderWith(__CLASS__);
} }
private function raiseError() /**
{ * Method is used for manipulating photos.
Debug::friendlyError(500,"Bad arguments",__FILE__,__LINE__,''); * Method requires two params set in POST
exit(); * file - file on which operation will be performed
} * command - name of operation(crop|rotate|resize)
*
* Each operation requires additional parameters.
*
* @return String - JSON array with image properties (width,height,url).
*/
public function manipulate() { public function manipulate() {
$fileName = $this->requestParams['file']; $fileName = $this->requestParams['file'];
$command = $this->requestParams['command']; $command = $this->requestParams['command'];
@ -53,9 +67,20 @@
} }
$rand = md5(rand(1,100000)); $rand = md5(rand(1,100000));
$gd->writeTo('../assets/tmp/' . $rand . '.jpg'); $gd->writeTo('../assets/tmp/' . $rand . '.jpg');
$this->returnImage($gd,'assets/tmp/' . $rand . '.jpg'); return $this->getImageInfoInJSON($gd,'../assets/tmp/' . $rand . '.jpg');
} }
/**
* Method is used for saving photos.
* Method requires two params set in POST
* originalFile - this file will be replaced by second file
* editedFile - this file will replace first file.
*
* After replacing original file all thumbnails created from it are removed.
*
* @return String - Message that everything went ok.
*/
public function save() { public function save() {
if(isset($this->requestParams['originalFile']) && isset($this->requestParams['editedFile'])) { if(isset($this->requestParams['originalFile']) && isset($this->requestParams['editedFile'])) {
$originalFile = $this->requestParams['originalFile']; $originalFile = $this->requestParams['originalFile'];
@ -73,18 +98,44 @@
} else { } else {
$this->raiseError(); $this->raiseError();
} }
return "parent.parent.parent.statusMessage('Image saved','good',false);";
} }
private function returnImage(GD $gd,$strFile) /**
{ * Method is invoked when ImageEditor is closed whether image is saved or not.
list($width, $height) = getimagesize('../' . $strFile); *
echo json_encode(array( * /assets/tmp is folder where we store temporary images created during editing so
'fileName' => $strFile, * after closing they are no necessity to keep them.
'width' => $width, *
'height' => $height) * @return null
); */
public function close() {
Filesystem::removeFolder('../assets/tmp');
} }
/**
* Method return JSON array containing info about image.
*
* @param gd - GD object used for retrieving info about image
* @param file
*
* @return string JSON array explained in manipulate method comment
*/
private function getImageInfoInJSON(GD $gd,$file)
{
return '{"fileName":"' . $file . '","width":' . $gd->getWidth() . ',"height":' . $gd->getHeight() . '}';
}
/**
* Method converts thumbnail file name to file name of it's "parent"
*
* @param file - name of thumbnail file
*
* @return string name of parent file.
*/
private function file2Origin($file) { private function file2Origin($file) {
$file = str_replace('_resampled/','',$file); $file = str_replace('_resampled/','',$file);
$file = str_replace('_resampled/','',$file); $file = str_replace('_resampled/','',$file);
@ -92,11 +143,27 @@
$this->checkFileExists($file); $this->checkFileExists($file);
return $file; return $file;
} }
/**
* Method converts URL of file to file path in file system.
*
* @param url - url of file
*
* @return string path of file in file system
*/
private function url2File($url) { private function url2File($url) {
return '..' . substr($url,strpos($url,'/assets')); return '..' . substr($url,strpos($url,'/assets'));
} }
/**
* Method checks if file exists and have proper name and extension.
*
* If any of constraints aren't fulfilled method will generate error.
*
* @param url - url of file
*
* @return boolean
*/
private function checkFileExists($url) { private function checkFileExists($url) {
$pathInfo = pathinfo($url); $pathInfo = pathinfo($url);
@ -123,5 +190,18 @@
$this->raiseError(); $this->raiseError();
} }
} }
/**
* Method raiser error. Error is showed using statusMessage function.
*
* @param message - error message
*
*/
private function raiseError($message = "")
{
echo "parent.parent.parent.statusMessage('Error: " . $message . "','bad',false);";
exit();
}
} }
?> ?>

View File

@ -38,5 +38,6 @@ var ImageEditor = {
onClose: function() { onClose: function() {
window.parent.frames[1].location.reload(1); window.parent.frames[1].location.reload(1);
Element.hide(window.frameElement); Element.hide(window.frameElement);
imageTransformation.close();
} }
} }

View File

@ -7,6 +7,7 @@ var ImageTransformation = {
this.rotate = ImageTransformation.rotate.bind(this); this.rotate = ImageTransformation.rotate.bind(this);
this.crop = ImageTransformation.crop.bind(this); this.crop = ImageTransformation.crop.bind(this);
this.save = ImageTransformation.save.bind(this); this.save = ImageTransformation.save.bind(this);
this.close = ImageTransformation.close.bind(this);
}, },
resize: function(width,height) { resize: function(width,height) {
@ -70,10 +71,22 @@ var ImageTransformation = {
method: 'post', method: 'post',
postBody: 'command=save&editedFile=' + editedFile + '&originalFile=' + originalFile, postBody: 'command=save&editedFile=' + editedFile + '&originalFile=' + originalFile,
onSuccess: function(transport) { onSuccess: function(transport) {
eval(transport.responseText);
imageEditor.onClose(); imageEditor.onClose();
}, },
}; };
new Ajax.Request('admin/ImageEditor/save', options); new Ajax.Request('admin/ImageEditor/save', options);
},
close: function() {
var options = {
method: 'post',
postBody: '',
onSuccess: function(transport) {
eval(transport.responseText);
},
};
new Ajax.Request('admin/ImageEditor/close', options);
} }
} }