initial quantum version

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.quantum.sql / src / com / quantum / view / bookmark / QuickListNode.java

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/QuickListNode.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/QuickListNode.java
new file mode 100644 (file)
index 0000000..9e74ef5
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/QuickListNode.java
@@ -0,0 +1,98 @@
+package com.quantum.view.bookmark;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Map;
+
+import com.quantum.Messages;
+import com.quantum.model.Bookmark;
+import com.quantum.model.Entity;
+
+/**
+ * <p>A "quick list" is a set of favourite entities that a user may want 
+ * to work with without having to sift through the (somtimes lengthy) longer
+ * list of tables.</p>
+ * 
+ * @author bcholmes
+ */
+public class QuickListNode extends TreeNode implements PropertyChangeListener {
+    
+    private Map children = new Hashtable();
+
+    /**
+     * @param parent
+     */
+    public QuickListNode(BookmarkNode parent) {
+        super(parent);
+        
+        Bookmark bookmark = getBookmark();
+        bookmark.addPropertyChangeListener(this);
+    }
+    
+    /**
+     * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
+     */
+    public void propertyChange(PropertyChangeEvent event) {
+        if ("quickList".equals(event.getPropertyName())) {
+            initializeChildren();
+            firePropertyChange("quickList", null, null);
+        }
+    }
+
+    /**
+     * @see com.quantum.view.bookmark.TreeNode#hasChildren()
+     */
+    public boolean hasChildren() {
+        return getBookmark().hasQuickList();
+    }
+    /**
+     * @see com.quantum.view.bookmark.TreeNode#getImageName()
+     */
+    protected String getImageName() {
+        return "group.gif";
+    }
+    
+    /**
+     * @see com.quantum.view.bookmark.TreeNode#getChildren()
+     */
+    public Object[] getChildren() {
+        Bookmark bookmark = getBookmark();
+        if (children.isEmpty() && bookmark.hasQuickList()) {
+            initializeChildren();
+        }
+        List list = new ArrayList(this.children.values());
+        Collections.sort(list);
+        
+        return (TreeNode[]) list.toArray(new TreeNode[list.size()]);
+    }
+
+    /**
+     * @see com.quantum.view.bookmark.TreeNode#getName()
+     */
+    public String getName() {
+        return Messages.getString(QuickListNode.class.getName() + ".labelName");
+    }
+    
+    protected synchronized void initializeChildren() {
+        this.children.clear();
+        Entity[] entities = getBookmark().getQuickListEntries();
+        for (int i = 0, length = (entities == null) ? 0 : entities.length;
+            i < length;
+            i++) {
+                
+            this.children.put(entities[i].getCondQualifiedName(), 
+                new EntityNode(this, entities[i], true));
+        }
+    }
+    /* (non-Javadoc)
+     * @see com.quantum.view.bookmark.TreeNode#isInitialized()
+     */
+    protected boolean isInitialized() {
+        return true;
+    }
+
+}