MONDRIAN: Fixes for bug 2138161 Workbench Dimension Selection Issue

[git-p4: depot-paths = "//open/mondrian/": change = 11689]
pentaho · Oct 7, 2008 · c461584 · c461584
1 parent d3c8d48
commit c461584
Showing 1 changed file with 40 additions and 0 deletions.
diff --git a/src/main/mondrian/gui/SchemaExplorer.java b/src/main/mondrian/gui/SchemaExplorer.java
@@ -21,6 +21,7 @@
 import java.io.StringWriter;
 import java.util.ArrayList;
 import java.util.EventObject;
+import java.util.Set;
 
 import javax.swing.*;
 import javax.swing.border.EtchedBorder;
@@ -3364,6 +3365,45 @@ public boolean isEditModeXML() {
     public I18n getResourceConverter() {
         return workbench.getResourceConverter();
     }
+    public static void getTableNamesForJoin(MondrianGuiDef.RelationOrJoin aRelOrJoin, Set aTableNames) {
+         //EC: Loops join tree and collects table names.
+         if (aRelOrJoin instanceof MondrianGuiDef.Join) {
+             MondrianGuiDef.RelationOrJoin theRelOrJoin_L = ((MondrianGuiDef.Join) aRelOrJoin).left;
+             MondrianGuiDef.RelationOrJoin theRelOrJoin_R = ((MondrianGuiDef.Join) aRelOrJoin).right;
+             for (int i = 0 ; i < 2; i ++) { // Searches first using the Left Join and then the Right.
+                  MondrianGuiDef.RelationOrJoin theCurrentRelOrJoin =  (i == 0) ? theRelOrJoin_L : theRelOrJoin_R;
+                  if (theCurrentRelOrJoin instanceof MondrianGuiDef.Table) {
+                      MondrianGuiDef.Table theTable = ((MondrianGuiDef.Table) theCurrentRelOrJoin);
+                      String theTableName = (theTable.alias != null && theTable.alias.trim().length() > 0) ? theTable.alias : theTable.name;
+                      aTableNames.add(theTableName);
+                  } else {
+                      //calls recursively collecting all table names down the join tree.
+                      getTableNamesForJoin(theCurrentRelOrJoin, aTableNames);
+                  }
+             }
+         }
+    }
+    public static String getTableNameForAlias(MondrianGuiDef.RelationOrJoin aRelOrJoin, String anAlias) {
+        String theTableName = anAlias;
+        //EC: Loops join tree and finds the table name for an alias.
+        if (aRelOrJoin instanceof MondrianGuiDef.Join) {
+            MondrianGuiDef.RelationOrJoin theRelOrJoin_L = ((MondrianGuiDef.Join) aRelOrJoin).left;
+            MondrianGuiDef.RelationOrJoin theRelOrJoin_R = ((MondrianGuiDef.Join) aRelOrJoin).right;
+            for (int i = 0 ; i < 2; i ++) { // Searches first using the Left Join and then the Right.
+                MondrianGuiDef.RelationOrJoin theCurrentRelOrJoin =  (i == 0) ? theRelOrJoin_L : theRelOrJoin_R;
+                if (theCurrentRelOrJoin instanceof MondrianGuiDef.Table) {
+                    MondrianGuiDef.Table theTable = ((MondrianGuiDef.Table) theCurrentRelOrJoin);
+                    if (theTable.alias != null && theTable.alias.equals(anAlias)) {
+                      theTableName = theTable.name; // If the alias was found get its table name and return it.
+                    }
+                } else {
+                    //otherwise continue down the join tree.
+                   theTableName = getTableNameForAlias(theCurrentRelOrJoin, anAlias);
+                }
+            }
+        }
+        return theTableName;
+    }
 }
 
 // End SchemaExplorer.java