summaryrefslogtreecommitdiffstats
path: root/src/com/vaadin/event/Action.java
diff options
context:
space:
mode:
authorHenri Sara <henri.sara@itmill.com>2009-05-11 09:19:03 +0000
committerHenri Sara <henri.sara@itmill.com>2009-05-11 09:19:03 +0000
commitadc8c0ad3573272c236040c3a76005b9e73a5737 (patch)
treea3860704dbd5b82dc6af38684b80f8ef79a32722 /src/com/vaadin/event/Action.java
parent5abc870dda584d0c2fc47fd5eec4ae3de3fa240e (diff)
downloadvaadin-framework-adc8c0ad3573272c236040c3a76005b9e73a5737.tar.gz
vaadin-framework-adc8c0ad3573272c236040c3a76005b9e73a5737.zip
#2904: initial bulk rename "com.itmill.toolkit" -> "com.vaadin"
- com.itmill.toolkit.external not yet fully renamed svn changeset:7715/svn branch:6.0
Diffstat (limited to 'src/com/vaadin/event/Action.java')
-rw-r--r--src/com/vaadin/event/Action.java166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/com/vaadin/event/Action.java b/src/com/vaadin/event/Action.java
new file mode 100644
index 0000000000..c3329e6d56
--- /dev/null
+++ b/src/com/vaadin/event/Action.java
@@ -0,0 +1,166 @@
+/*
+@ITMillApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.event;
+
+import java.io.Serializable;
+
+import com.vaadin.terminal.Resource;
+
+/**
+ * Implements the action framework. This class contains subinterfaces for action
+ * handling and listing, and for action handler registrations and
+ * unregistration.
+ *
+ * @author IT Mill Ltd.
+ * @version
+ * @VERSION@
+ * @since 3.0
+ */
+@SuppressWarnings("serial")
+public class Action implements Serializable {
+
+ /**
+ * Action title.
+ */
+ private String caption;
+
+ /**
+ * Action icon.
+ */
+ private Resource icon = null;
+
+ /**
+ * Constructs a new action with the given caption.
+ *
+ * @param caption
+ * the caption for the new action.
+ */
+ public Action(String caption) {
+ this.caption = caption;
+ }
+
+ /**
+ * Constructs a new action with the given caption string and icon.
+ *
+ * @param caption
+ * the caption for the new action.
+ * @param icon
+ * the icon for the new action.
+ */
+ public Action(String caption, Resource icon) {
+ this.caption = caption;
+ this.icon = icon;
+ }
+
+ /**
+ * Returns the action's caption.
+ *
+ * @return the action's caption as a <code>String</code>.
+ */
+ public String getCaption() {
+ return caption;
+ }
+
+ /**
+ * Returns the action's icon.
+ *
+ * @return the action's Icon.
+ */
+ public Resource getIcon() {
+ return icon;
+ }
+
+ /**
+ * Interface implemented by classes who wish to handle actions.
+ *
+ * @author IT Mill Ltd.
+ * @version
+ * @VERSION@
+ * @since 3.0
+ */
+ public interface Handler extends Serializable {
+
+ /**
+ * Gets the list of actions applicable to this handler.
+ *
+ * @param target
+ * the target handler to list actions for. For item
+ * containers this is the item id.
+ * @param sender
+ * the party that would be sending the actions. Most of this
+ * is the action container.
+ * @return the list of Action
+ */
+ public Action[] getActions(Object target, Object sender);
+
+ /**
+ * Handles an action for the given target. The handler method may just
+ * discard the action if it's not suitable.
+ *
+ * @param action
+ * the action to be handled.
+ * @param sender
+ * the sender of the action. This is most often the action
+ * container.
+ * @param target
+ * the target of the action. For item containers this is the
+ * item id.
+ */
+ public void handleAction(Action action, Object sender, Object target);
+ }
+
+ /**
+ * Interface implemented by all components where actions can be registered.
+ * This means that the components lets others to register as action handlers
+ * to it. When the component receives an action targeting its contents it
+ * should loop all action handlers registered to it and let them handle the
+ * action.
+ *
+ * @author IT Mill Ltd.
+ * @version
+ * @VERSION@
+ * @since 3.0
+ */
+ public interface Container extends Serializable {
+
+ /**
+ * Registers a new action handler for this container
+ *
+ * @param actionHandler
+ * the new handler to be added.
+ */
+ public void addActionHandler(Action.Handler actionHandler);
+
+ /**
+ * Removes a previously registered action handler for the contents of
+ * this container.
+ *
+ * @param actionHandler
+ * the handler to be removed.
+ */
+ public void removeActionHandler(Action.Handler actionHandler);
+ }
+
+ /**
+ * Sets the caption.
+ *
+ * @param caption
+ * the caption to set.
+ */
+ public void setCaption(String caption) {
+ this.caption = caption;
+ }
+
+ /**
+ * Sets the icon.
+ *
+ * @param icon
+ * the icon to set.
+ */
+ public void setIcon(Resource icon) {
+ this.icon = icon;
+ }
+
+}