2010-07-02 01:48:07 +02:00
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
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<meta http-equiv="Content-Language" content="en-us" />
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<title>Dynamic image test</title>
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<script src="../lib/prototype.js" type="text/javascript"></script>
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<script src="../lib/scriptaculous.js?load=builder,dragdrop" type="text/javascript"></script>
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<script src="../cropper.js" type="text/javascript"></script>
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<script type="text/javascript" charset="utf-8">
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/**
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* A little manager that allows us to swap the image dynamically
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*
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*/
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var CropImageManager = {
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/**
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* Holds the current Cropper.Img object
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* @var obj
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*/
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curCrop: null,
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/**
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* Initialises the cropImageManager
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*
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* @access public
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* @return void
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*/
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init: function() {
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this.attachCropper();
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},
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/**
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* Handles the changing of the select to change the image, the option value
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* is a pipe seperated list of imgSrc|width|height
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*
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* @access public
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* @param obj event
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* @return void
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*/
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onChange: function( e ) {
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var vals = $F( Event.element( e ) ).split('|');
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this.setImage( vals[0], vals[1], vals[2] );
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},
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/**
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* Sets the image within the element & attaches/resets the image cropper
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*
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* @access private
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* @param string Source path of new image
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* @param int Width of new image in pixels
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* @param int Height of new image in pixels
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* @return void
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*/
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setImage: function( imgSrc, w, h ) {
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2013-06-01 18:42:51 +02:00
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$PR( 'testImage' ).src = imgSrc;
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$PR( 'testImage' ).width = w;
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$PR( 'testImage' ).height = h;
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2010-07-02 01:48:07 +02:00
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this.attachCropper();
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},
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/**
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* Attaches/resets the image cropper
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*
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* @access private
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* @return void
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*/
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attachCropper: function() {
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if( this.curCrop == null ) this.curCrop = new Cropper.Img( 'testImage', { onEndCrop: onEndCrop } );
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else this.curCrop.reset();
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},
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/**
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* Removes the cropper
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*
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* @access public
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* @return void
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*/
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removeCropper: function() {
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if( this.curCrop != null ) {
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this.curCrop.remove();
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}
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},
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/**
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* Resets the cropper, either re-setting or re-applying
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*
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* @access public
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* @return void
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*/
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resetCropper: function() {
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this.attachCropper();
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}
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};
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// setup the callback function
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function onEndCrop( coords, dimensions ) {
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2013-06-01 18:42:51 +02:00
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$PR( 'x1' ).value = coords.x1;
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$PR( 'y1' ).value = coords.y1;
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$PR( 'x2' ).value = coords.x2;
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$PR( 'y2' ).value = coords.y2;
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$PR( 'width' ).value = dimensions.width;
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$PR( 'height' ).value = dimensions.height;
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2010-07-02 01:48:07 +02:00
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}
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// basic example
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Event.observe(
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window,
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'load',
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function() {
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CropImageManager.init();
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2013-06-01 18:42:51 +02:00
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Event.observe( $PR('removeCropper'), 'click', CropImageManager.removeCropper.bindAsEventListener( CropImageManager ), false );
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Event.observe( $PR('resetCropper'), 'click', CropImageManager.resetCropper.bindAsEventListener( CropImageManager ), false );
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Event.observe( $PR('imageChoice'), 'change', CropImageManager.onChange.bindAsEventListener( CropImageManager ), false );
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2010-07-02 01:48:07 +02:00
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}
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);
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/*
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if( typeof(dump) != 'function' ) {
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Debug.init(true, '/');
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function dump( msg ) {
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Debug.raise( msg );
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};
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} else dump( '---------------------------------------\n' );
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*/
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</script>
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<link rel="stylesheet" type="text/css" href="debug.css" media="all" />
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<style type="text/css">
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label {
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clear: left;
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margin-left: 50px;
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float: left;
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width: 5em;
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}
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html, body {
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margin: 0;
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}
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#testWrap {
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margin: 20px 0 0 50px; /* Just while testing, to make sure we return the correct positions for the image & not the window */
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}
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</style>
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</head>
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<body>
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<h2>Dynamic image test</h2>
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<p>
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Test of dynamically changing images or removing & re-applying the cropper
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</p>
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<div id="testWrap">
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<img src="castle.jpg" alt="test image" id="testImage" width="500" height="333" />
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</div>
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<p>
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<label for="imageChoice">image:</label>
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<select name="imageChoice" id="imageChoice">
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<option value="castle.jpg|500|333">Castle</option>
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<option value="poppy.jpg|311|466">Flower</option>
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</select>
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</p>
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<p>
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<input type="button" id="removeCropper" value="Remove Cropper" />
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2013-06-01 18:42:51 +02:00
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<input type="button" id="resetCropper" value="Reset Cropper" />
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2010-07-02 01:48:07 +02:00
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</p>
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<p>
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<label for="x1">x1:</label>
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<input type="text" name="x1" id="x1" />
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</p>
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<p>
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<label for="y1">y1:</label>
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<input type="text" name="y1" id="y1" />
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</p>
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<p>
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<label for="x2">x2:</label>
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<input type="text" name="x2" id="x2" />
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</p>
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<p>
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<label for="y2">y2:</label>
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<input type="text" name="y2" id="y2" />
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</p>
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<p>
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<label for="width">width:</label>
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<input type="text" name="width" id="width" />
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</p>
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<p>
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<label for="height">height</label>
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<input type="text" name="height" id="height" />
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</p>
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</body>
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</html>
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