feature 2548 multisize - added a page to build missing derivatives

 - browser driven, chained ws calls to retrieve urls, visual feedback of progress through slideshow

git-svn-id: http://piwigo.org/svn/trunk@12865 68402e56-0260-453c-a942-63ccdbb3a9ee

2 files changed, 153 insertions, 0 deletions

diff --git a/admin/themes/default/template/derivatives.tpl b/admin/themes/default/template/derivatives.tpl
index 59f6344a7..dcf52a4ec 100644
--- a/admin/themes/default/template/derivatives.tpl
+++ b/admin/themes/default/template/derivatives.tpl
@@ -22,6 +22,7 @@
 </style>
 {/literal}{/html_head}
 
+<p><a href="admin.php?page=derivatives_build">Build missing derivatives</a></p>
 <form method="post" id="derviativesForm">
 <fieldset>
 <legend>{'Watermark'|@translate}</legend>
diff --git a/admin/themes/default/template/derivatives_build.tpl b/admin/themes/default/template/derivatives_build.tpl
new file mode 100644
index 000000000..6e0c8e35d
--- /dev/null
+++ b/admin/themes/default/template/derivatives_build.tpl
@@ -0,0 +1,152 @@
+{html_head}{literal}
+<style type="text/css">
+TABLE {
+	font-size: larger;
+}
+</style>
+{/literal}{/html_head}
+
+<p>
+	<select id="types" name="types[]" multiple="multiple">
+	{foreach from=$derivatives item=type}
+	<option value="{$type}" selected="selected">{$type|@translate}</option>
+	{/foreach}
+	</select>
+	<input id="startLink" value="{'Start'|@translate}" onclick="start()" type="button">
+	<input id="pauseLink" value="{'Pause'|@translate}" onclick="pause()" type="button" disabled="disbled">
+	<input id="stopLink" value="{'Stop'|@translate}" onclick="stop()" type="button" disabled="disbled">
+</p>
+<hr/>
+<p>
+<table>
+	<tr>
+		<td>Errors</td>
+		<td id="errors">0</td>
+	</tr>
+	<tr>
+		<td>Loaded</td>
+		<td id="loaded">0</td>
+	</tr>
+	<tr>
+		<td>Remaining</td>
+		<td id="remaining">0</td>
+	</tr>
+</table>
+<div id="feedbackWrap" style="height:320px; min-height:320px;">
+<img id="feedbackImg">
+</div>
+</p>
+
+<div id="errorList">
+</div>
+
+{combine_script id='iloader' load='footer' path='themes/default/js/image.loader.js'}
+
+{footer_script require='jquery.effects.slide'}{literal}
+
+var loader = new ImageLoader( {onChanged: loaderChanged} )
+	, pending_next_page = null
+	, last_image_show_time = 0
+	, allDoneDfd, urlDfd;
+
+function start() {
+	allDoneDfd = jQuery.Deferred();
+	urlDfd = jQuery.Deferred();
+
+	allDoneDfd.always( function() {
+			jQuery("#startLink").attr('disabled', false).css("opacity", 1);
+			jQuery("#pauseLink,#stopLink").attr('disabled', true).css("opacity", 0.5);
+		} );
+
+	urlDfd.always( function() {
+		if (loader.remaining()==0)
+			allDoneDfd.resolve();
+		} );
+
+	jQuery("#startLink").attr('disabled', true).css("opacity", 0.5);
+	jQuery("#pauseLink,#stopLink").attr('disabled', false).css("opacity", 1);
+
+	loader.pause(false);
+	updateStats();
+	getUrls();
+}
+
+function pause() {
+	loader.pause( !loader.pause() );
+}
+
+function stop() {
+	loader.clear();
+	urlDfd.resolve();
+}
+
+function getUrls(page_token) {
+	data = {max_urls: 500, types: []};
+	jQuery.each(jQuery("#types").serializeArray(), function(i, t) {
+			data.types.push( t.value );
+		} );
+
+	if (page_token)
+		data['prev_page'] = page_token;
+	jQuery.post( '{/literal}{$ROOT_URL}{literal}ws.php?format=json&method=pwg.getMissingDerivatives',
+		data, wsData, "json").fail( wsError );
+}
+
+function wsData(data) {
+	if (!data.stat || data.stat != "ok") {
+		wsError();
+		return;
+	}
+	loader.add( data.result.urls );
+	if (data.result.next_page) {
+		if (loader.pause() || loader.remaining() > 100) {
+			pending_next_page = data.result.next_page;
+		}
+		else {
+			getUrls(data.result.next_page);
+		}
+	}
+}
+
+function wsError() {
+	urlDfd.reject();
+}
+
+function updateStats() {
+	jQuery("#loaded").text( loader.loaded );
+	jQuery("#errors").text( loader.errors );
+	jQuery("#remaining").text( loader.remaining() );
+}
+
+function loaderChanged(type, img) {
+	updateStats();
+	if (img) {
+		if (type==="load") {
+			var now = jQuery.now();
+			if (now - last_image_show_time > 3000) {
+				last_image_show_time = now;
+				var h=img.height, url=img.src;
+				jQuery("#feedbackWrap").hide("slide", {direction:'down'}, function() {
+					last_image_show_time = jQuery.now();
+					if (h > 300 )
+						jQuery("#feedbackImg").attr("height", 300);
+					else
+						jQuery("#feedbackImg").removeAttr("height");
+					jQuery("#feedbackImg").attr("src", url);
+					jQuery("#feedbackWrap").show("slide", {direction:'up'} );
+					} );
+			}
+		}
+		else {
+			jQuery("#errorList").prepend( '<a href="'+img.src+'">'+img.src+'</a>' + "<br>");
+		}
+	}
+	if (pending_next_page && 100 > loader.remaining() )	{
+		getUrls(pending_next_page);
+		pending_next_page = null;
+	}
+	else if (loader.remaining() == 0 && (urlDfd.isResolved() || urlDfd.isRejected()))	{
+		allDoneDfd.resolve();
+	}
+}
+{/literal}{/footer_script}
\ No newline at end of file