git-svn-id: svn://svn.dsv.su.se/scipro/scipro/trunk@332 73ecded7-942e-4092-bab0-0e58ef0ee984

src/main/java/se/su/dsv/scipro/util/JavascriptEventConfirmation.java

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+package se.su.dsv.scipro.util;
+
+import org.apache.wicket.behavior.AttributeAppender;
+import org.apache.wicket.model.Model;
+
+/**
+ * Add this to your component if you want to display a javascript-confirmation dialog before
+ * performing some action.
+ * 
+ * Note: add as the last thing you add to your component.
+ * 
+ * @author Dan Kjellman <dan-kjel@dsv.su.se>
+ *
+ */
+public class JavascriptEventConfirmation extends AttributeAppender {
+	
+	private static final long serialVersionUID = 1L;
+
+	public JavascriptEventConfirmation(String event, String msg){
+		super(event, true, new Model<String>(msg), " ");
+	}
+	
+	@Override
+	protected String newValue(final String currentValue, final String replacementValue) {
+		String prefix = "var conf = confirm('" + replacementValue + "'); " +
+			"if (!conf) return false; ";
+		String result = prefix;
+		if (currentValue != null) {
+			result = prefix + currentValue;
+		}
+		return result;
+	}
+}

src/main/java/se/su/dsv/scipro/util/SelectOption.java

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+package se.su.dsv.scipro.util;
+
+import org.apache.wicket.IClusterable;
+
+/**
+ * Use this for an option in a dropdownchoice.
+ * 
+ * @author Dan Kjellman <dan-kjel@dsv.su.se>
+ *
+ * @param <T> - Type of the value-object
+ */
+public class SelectOption<T> implements IClusterable {
+	
+	private static final long serialVersionUID = -8100206655504746602L;
+
+	public String text;
+	public T value;
+	
+	public SelectOption(String text, T value){
+		this.text = text;
+		this.value = value;
+	}
+	
+	public String toString(){
+		return text;
+	}
+}

src/main/java/se/su/dsv/scipro/util/WiQueryCoreEffectsHelper.java

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+package se.su.dsv.scipro.util;
+
+import org.apache.wicket.Component;
+import org.apache.wicket.behavior.AttributeAppender;
+import org.apache.wicket.model.Model;
+import org.odlabs.wiquery.core.commons.WiQueryResourceManager;
+import org.odlabs.wiquery.core.effects.Effect;
+import org.odlabs.wiquery.core.effects.EffectBehavior;
+import org.odlabs.wiquery.core.effects.EffectSpeed;
+import org.odlabs.wiquery.core.effects.fading.FadeIn;
+import org.odlabs.wiquery.core.effects.fading.FadeOut;
+import org.odlabs.wiquery.core.effects.sliding.SlideDown;
+import org.odlabs.wiquery.core.effects.sliding.SlideUp;
+import org.odlabs.wiquery.core.javascript.JsStatement;
+import org.odlabs.wiquery.ui.effects.CoreEffectJavaScriptResourceReference;
+
+/**
+ * Helper for adding wiquery core effects to a component.
+ * 
+ * Usage for an ajax reqeust (remember to set outputmarkupid to true on the component) :
+ * target.addComponent(WiQueryCoreEffectsHelper.fadeIn( THE COMPONENT , EffectSpeed.FAST/SLOW));
+ * @author Dan Kjellman <dan-kjel@dsv.su.se>
+ *
+ */
+
+public class WiQueryCoreEffectsHelper {
+	
+	/**
+	 * Make the component fade in
+	 * 
+	 * @param comp the component
+	 * @param speed effectspeed
+	 * @return the component
+	 */
+	public static Component fadeIn(Component comp, EffectSpeed speed){
+		FadeIn fi = new FadeIn(speed);
+		WiQueryCoreEffectsHelper.putCssClass(comp);
+		comp.add(WiQueryCoreEffectsHelper.getEffectBehavior(fi));
+		return comp;
+	}
+	
+	/**
+	 * Make the component fade out (the component will when effect is over have display none)
+	 * 
+	 * @param comp the component
+	 * @param speed effectspeed
+	 * @return the component
+	 */
+	public static Component fadeOut(Component comp, EffectSpeed speed){
+		FadeOut fi = new FadeOut(speed);
+		comp.add(WiQueryCoreEffectsHelper.getEffectBehavior(fi));
+		return comp;
+	}
+	
+	/**
+	 * Make the component slide down
+	 * 
+	 * @param comp the component
+	 * @param speed effectspeed
+	 * @return the component
+	 */	
+	public static Component slideDown(Component comp, EffectSpeed speed){
+		SlideDown sd = new SlideDown(speed);
+		WiQueryCoreEffectsHelper.putCssClass(comp);
+		comp.add(WiQueryCoreEffectsHelper.getEffectBehavior(sd));
+		return comp;
+	}
+
+	/**
+	 * Make the component slide up (the component will when effect is over have display none)
+	 * 
+	 * @param comp the component
+	 * @param speed effectspeed
+	 * @return the component
+	 */	
+	public static Component slideUp(Component comp, EffectSpeed speed){
+		Effect e = new SlideUp(speed);
+		comp.add(WiQueryCoreEffectsHelper.getEffectBehavior(e));
+		return comp;
+	}
+	
+	/**
+	 * Effect that hides a component by sliding it up. Returns the javascript to append to the ajaxrequesttarget
+	 * target.appendJavascript(WiQueryCoreEffectsHelper.slideUpJs(THE COMPONENT, effectspeed));
+	 * @param comp
+	 * @param speed
+	 * @return
+	 */
+	public static String slideUpJs(Component comp, EffectSpeed speed){
+		return new StringBuffer(new JsStatement().$(comp).chain(new SlideUp(speed)).render(true)).toString();
+	}
+	
+	private static EffectBehavior getEffectBehavior(Effect e){
+		return new EffectBehavior(e){
+			private static final long serialVersionUID = 1L;
+			@Override
+			public void contribute(WiQueryResourceManager wiQueryResourceManager){
+				wiQueryResourceManager.addJavaScriptResource(CoreEffectJavaScriptResourceReference.get());	
+			}
+			
+		};
+	}
+	
+	private static Component putCssClass(Component c){
+		c.add(new AttributeAppender("style", new Model<String>("display:none;"), " "));
+		return c;
+	}
+}