initial quantum version

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

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/GroupNode.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/GroupNode.java
new file mode 100644 (file)
index 0000000..1064faa
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/GroupNode.java
@@ -0,0 +1,92 @@
+/*
+ * Created on 27/06/2003
+ *
+ */
+package com.quantum.view.bookmark;
+
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import com.quantum.Messages;
+import com.quantum.model.Bookmark;
+import com.quantum.model.Entity;
+import com.quantum.model.Schema;
+import com.quantum.model.SchemaHolder;
+
+/**
+ * GroupNode represents a level of grouping in the BookmarkView hierarchy
+ * It will have categories like "TABLE", "VIEW" and so on, usually gotten from
+ * the JDBC driver.
+ * 
+ * @author panic
+ */
+public class GroupNode extends TreeNode implements Comparable, SchemaHolder {
+       private String type = null;
+    private Schema schema = null;
+
+       public GroupNode(TreeNode parent, Schema schema, String type) {
+        super(parent);
+        this.schema = schema;
+               this.type = type;
+       }
+       public boolean hasChildren() {
+               if (!isInitialized()) {
+                       return true;
+               } else {
+            return !this.children.isEmpty();
+               }
+       }
+       public Object[] getChildren() {
+        if (!isInitialized() && getBookmark().isConnected()) {
+            initializeChildren();
+        }
+               return (TreeNode[]) this.children.toArray(new TreeNode[this.children.size()]);
+       }
+    protected void initializeChildren() {
+        try {
+            boolean firstTimeInitialization = !isInitialized();
+            boolean changed = false;
+            Map temp = new HashMap();
+            for (Iterator i = this.children.iterator(); i.hasNext();) {
+                TreeNode treeNode = (TreeNode) i.next();
+                temp.put(treeNode.getName(), treeNode);
+            }
+            this.children.clear();
+            
+            Bookmark bookmark = getBookmark();
+            Entity[] entities = bookmark.getEntitiesForSchema(schema, type);
+            for (int i = 0,
+                length = (entities == null) ? 0 : entities.length;
+                i < length;
+                i++) {
+                
+                String name = entities[i].getName();
+                EntityNode entityNode = (EntityNode) temp.remove(name);
+                if (entityNode == null) {
+                    this.children.add(new EntityNode(this, entities[i]));
+                    changed = true;
+                } else {
+                    this.children.add(entityNode);
+                }
+            }
+            if (changed && !firstTimeInitialization) {
+                firePropertyChange("children", null, null);
+            }
+        } catch (SQLException e) {
+        }
+    }
+       public String getName() {
+               return Messages.getString(getClass().getName() + "." + this.type);
+       }
+       protected String getImageName() {
+               return "entitygroup.gif"; //$NON-NLS-1$
+       }
+    /**
+     * @return
+     */
+    public Schema getSchema() {
+        return schema;
+    }
+}