archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/SchemaNode.java

   1 package com.quantum.view.bookmark;
   2
   3 import java.sql.SQLException;
   4
   5 import com.quantum.model.Bookmark;
   6 import com.quantum.model.NotConnectedException;
   7 import com.quantum.model.Schema;
   8 import com.quantum.model.SchemaHolder;
   9
  10 /**
  11  * @author BC
  12  */
  13 public class SchemaNode extends TreeNode implements SchemaHolder {
  14
  15     private Schema schema;
  16     /**
  17      * @param parent
  18      */
  19     public SchemaNode(TreeNode parent, Schema schema) {
  20         super(parent);
  21         this.schema = schema;
  22     }
  23
  24     /**
  25      * @see com.quantum.view.bookmark.TreeNode#getChildren()
  26      */
  27     public Object[] getChildren() {
  28         Bookmark bookmark = getBookmark();
  29         if (!bookmark.isConnected()) {
  30             return BookmarkListNode.EMPTY_ARRAY;
  31         } else {
  32             if (this.children.isEmpty()) {
  33                 initializeChildren();
  34             }
  35         }
  36         return (TreeNode[]) this.children.toArray(new TreeNode[this.children.size()]);
  37     }
  38
  39     protected void initializeChildren() {
  40         this.children.clear();
  41         Bookmark bookmark = getBookmark();
  42         try {
  43             String[] types = bookmark.getDatabase().getEntityTypes();
  44             for (int i = 0, length = (types == null) ? 0 : types.length;
  45                 i < length;
  46                 i++) {
  47                 this.children.add(new GroupNode(this, this.schema, types[i]));
  48             }
  49         } catch (NotConnectedException e) {
  50         } catch (SQLException e) {
  51         }
  52     }
  53
  54     /**
  55      * @see com.quantum.view.bookmark.TreeNode#hasChildren()
  56      */
  57     public boolean hasChildren() {
  58         return getBookmark().isConnected();
  59     }
  60
  61     /**
  62      * @see com.quantum.view.bookmark.TreeNode#getName()
  63      */
  64     public String getName() {
  65         return this.schema.getDisplayName();
  66     }
  67
  68     /**
  69      * @see com.quantum.view.bookmark.TreeNode#getImageName()
  70      */
  71     protected String getImageName() {
  72         return this.schema.isDefault()
  73                         ? "user.gif"
  74                         :  this.schema.exists()
  75                                 ? "schema.gif"
  76                                 : "missingschema.gif";
  77     }
  78
  79     /**
  80      * @see com.quantum.model.SchemaHolder#getSchema()
  81      */
  82     public Schema getSchema() {
  83         return this.schema;
  84     }
  85 }