/*
- * Sone - ImageLinkFilter.java - Copyright © 2011 David Roden
+ * Sone - ImageLinkFilter.java - Copyright © 2011–2012 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
import java.io.StringWriter;
import java.util.Map;
+import net.pterodactylus.sone.core.Core;
import net.pterodactylus.sone.data.Image;
import net.pterodactylus.util.number.Numbers;
+import net.pterodactylus.util.object.Default;
import net.pterodactylus.util.template.Filter;
import net.pterodactylus.util.template.Template;
import net.pterodactylus.util.template.TemplateContext;
*/
public class ImageLinkFilter implements Filter {
- /** The template to render for the <img%gt; tag. */
- private static final Template linkTemplate = TemplateParser.parse(new StringReader("<img<%ifnull !class> class=\"<%class|css>\"<%/if> src=\"<%src|html>\" alt=\"<%alt|html>\" title=\"<%title|html>\" width=\"<%width|html>\" height=\"<%height|html>\" />"));
+ /** The template to render for the <img> tag. */
+ private static final Template linkTemplate = TemplateParser.parse(new StringReader("<img<%ifnull !class> class=\"<%class|css>\"<%/if> src=\"<%src|html><%if forceDownload>?forcedownload=true<%/if>\" alt=\"<%alt|html>\" title=\"<%title|html>\" width=\"<%width|html>\" height=\"<%height|html>\" style=\"position: relative;<%ifnull ! top>top: <% top|html>;<%/if><%ifnull ! left>left: <% left|html>;<%/if>\"/>"));
+
+ /** The core. */
+ private final Core core;
/** The template context factory. */
private final TemplateContextFactory templateContextFactory;
/**
* Creates a new image link filter.
*
+ * @param core
+ * The core
* @param templateContextFactory
* The template context factory
*/
- public ImageLinkFilter(TemplateContextFactory templateContextFactory) {
+ public ImageLinkFilter(Core core, TemplateContextFactory templateContextFactory) {
+ this.core = core;
this.templateContextFactory = templateContextFactory;
}
* {@inheritDoc}
*/
@Override
- public Object format(TemplateContext templateContext, Object data, Map<String, String> parameters) {
- Image image = (Image) data;
- String imageClass = parameters.get("class");
+ public Object format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
+ Image image = null;
+ if (data instanceof String) {
+ image = core.getImage((String) data, false);
+ } else if (data instanceof Image) {
+ image = (Image) data;
+ }
+ if (image == null) {
+ return null;
+ }
+ String imageClass = String.valueOf(parameters.get("class"));
int maxWidth = Numbers.safeParseInteger(parameters.get("max-width"), Integer.MAX_VALUE);
int maxHeight = Numbers.safeParseInteger(parameters.get("max-height"), Integer.MAX_VALUE);
+ String mode = String.valueOf(parameters.get("mode"));
+ String title = String.valueOf(parameters.get("title"));
TemplateContext linkTemplateContext = templateContextFactory.createTemplateContext();
linkTemplateContext.set("class", imageClass);
if (image.isInserted()) {
linkTemplateContext.set("src", "/" + image.getKey());
+ linkTemplateContext.set("forceDownload", true);
} else {
linkTemplateContext.set("src", "getImage.html?image=" + image.getId());
}
int imageWidth = image.getWidth();
int imageHeight = image.getHeight();
- double scale = 1;
- if ((imageWidth > maxWidth) || (imageHeight > maxHeight)) {
- scale = Math.min(maxWidth / (double) imageWidth, maxHeight / (double) imageHeight);
+ if ("enlarge".equals(mode)) {
+ double scale = Math.max(maxWidth / (double) imageWidth, maxHeight / (double) imageHeight);
+ linkTemplateContext.set("width", (int) (imageWidth * scale + 0.5));
+ linkTemplateContext.set("height", (int) (imageHeight * scale + 0.5));
+ linkTemplateContext.set("left", String.format("%dpx", (int) (maxWidth - (imageWidth * scale)) / 2));
+ linkTemplateContext.set("top", String.format("%dpx", (int) (maxHeight - (imageHeight * scale)) / 2));
+ } else {
+ double scale = 1;
+ if ((imageWidth > maxWidth) || (imageHeight > maxHeight)) {
+ scale = Math.min(maxWidth / (double) imageWidth, maxHeight / (double) imageHeight);
+ }
+ linkTemplateContext.set("width", (int) (imageWidth * scale + 0.5));
+ linkTemplateContext.set("height", (int) (imageHeight * scale + 0.5));
}
- linkTemplateContext.set("width", (int) (imageWidth * scale + 0.5));
- linkTemplateContext.set("height", (int) (imageHeight * scale + 0.5));
- linkTemplateContext.set("alt", image.getDescription());
- linkTemplateContext.set("title", image.getTitle());
+ linkTemplateContext.set("alt", Default.forNull(title, image.getDescription()));
+ linkTemplateContext.set("title", Default.forNull(title, image.getTitle()));
StringWriter stringWriter = new StringWriter();
linkTemplate.render(linkTemplateContext, stringWriter);