initial quantum version

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.quantum.sql / src / com / quantum / wizards / DeleteRowPage.java

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/wizards/DeleteRowPage.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/wizards/DeleteRowPage.java
new file mode 100644 (file)
index 0000000..dc90a00
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/wizards/DeleteRowPage.java
@@ -0,0 +1,139 @@
+package com.quantum.wizards;
+
+import com.quantum.Messages;
+import com.quantum.adapters.AdapterFactory;
+import com.quantum.adapters.DatabaseAdapter;
+import com.quantum.model.Bookmark;
+import com.quantum.model.Entity;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+
+public class DeleteRowPage extends BaseSQLPage implements SQLPage {
+       String[] columnNames;
+       Text[] values;
+       Button[] whereValues;
+       Text query;
+
+       public DeleteRowPage(String pageName) {
+               super(pageName);
+       }
+       
+       public void createControl(Composite parent) {
+               System.out.println("page create control"); //$NON-NLS-1$
+               Composite container = new Composite(parent, SWT.NULL);
+               GridLayout layout = new GridLayout();
+               container.setLayout(layout);
+               layout.numColumns = 3;
+
+               if (row == null) {
+                       System.out.println("Row is null"); //$NON-NLS-1$
+               }
+               if (row.getColumnNames() == null) {
+                       System.out.println("Columns are null"); //$NON-NLS-1$
+               }
+               if (row.getTableData() == null) {
+                       System.out.println("Data is null"); //$NON-NLS-1$
+               }
+               Entity entity = row.getEntity();
+               columnNames = row.getColumnNames();
+               String[] data = row.getTableData();
+               for (int i = 0; i < row.getColumnCount(); i++) {
+                       System.out.println("data = " + i + "=" + data[i]); //$NON-NLS-1$ //$NON-NLS-2$
+                       System.out.println("column = " + i + "=" + columnNames[i]); //$NON-NLS-1$ //$NON-NLS-2$
+               }
+               values = new Text[row.getColumnCount()];
+               whereValues = new Button[row.getColumnCount()];
+               new Label(container, SWT.NULL).setText(Messages.getString("DeleteRowPage.ColumnName")); //$NON-NLS-1$
+               new Label(container, SWT.NULL).setText(Messages.getString("DeleteRowPage.Value")); //$NON-NLS-1$
+               new Label(container, SWT.NULL).setText(Messages.getString("DeleteRowPage.IncludeIn")); //$NON-NLS-1$
+               for (int i = 0; i < row.getColumnCount(); i++) {
+                       Label label = new Label(container, SWT.NULL);
+                       label.setText(columnNames[i]);
+                       values[i] = new Text(container, SWT.BORDER | SWT.SINGLE);
+                       GridData fullHorizontal = new GridData();
+                       fullHorizontal.horizontalAlignment = GridData.FILL;
+                       values[i].setLayoutData(fullHorizontal);
+                       values[i].setText(data[i]);
+
+                       values[i].addModifyListener(new ModifyListener() {
+                               public void modifyText(ModifyEvent e) {
+                                       updateQuery();
+                               }                               
+                       });
+                       
+                       whereValues[i] = new Button(container, SWT.CHECK);
+                       whereValues[i].setText(Messages.getString("DeleteRowPage.WhereClause")); //$NON-NLS-1$
+                       // we check if it's a primary key to select it in the WHERE clause
+                       if (entity != null && entity.getColumn(columnNames[i]).isPrimaryKey()) {
+                whereValues[i].setSelection(true);
+                       } else {
+                               whereValues[i].setSelection(false);
+            }
+                       whereValues[i].addSelectionListener(new SelectionListener() {
+                               public void widgetDefaultSelected(SelectionEvent e) {
+                               }
+                               public void widgetSelected(SelectionEvent e) {
+                                       updateQuery();
+                               }
+                       });
+               }
+               query = new Text(container, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP);
+               GridData gridData = new GridData();
+               gridData.horizontalSpan = layout.numColumns;
+               gridData.verticalSpan = 3;
+               gridData.horizontalAlignment = GridData.FILL;
+               gridData.verticalAlignment = GridData.FILL;
+               gridData.grabExcessHorizontalSpace = true;
+               gridData.grabExcessVerticalSpace = true;
+               query.setLayoutData(gridData);
+
+               setControl(container);
+        updateQuery();
+       
+               setPageComplete(true);
+       }
+       public void updateQuery() {
+               System.out.println(Messages.getString("DeleteRowPage.UpdatingQuery")); //$NON-NLS-1$
+               StringBuffer whereClause = new StringBuffer();
+               Bookmark bookmark = row.getBookmark();
+               Entity entity = row.getEntity();
+               DatabaseAdapter adapter = AdapterFactory.getInstance().getAdapter(bookmark.getType());
+               
+               int numSelected = 0;
+               for (int i = 0; i < columnNames.length; i++) {
+                       if (whereValues[i].getSelection()) {
+                               if (numSelected > 0) whereClause.append(" AND "); //$NON-NLS-1$
+                               numSelected++;
+                               whereClause.append("("); //$NON-NLS-1$
+                               whereClause.append(columnNames[i]);
+                               whereClause.append(" = "); //$NON-NLS-1$
+                appendColumn(whereClause, entity, columnNames[i], adapter, values[i].getText());
+                               whereClause.append(")"); //$NON-NLS-1$
+                       }
+               }
+               String query = "DELETE FROM " + row.getTable(); //$NON-NLS-1$
+               if (numSelected > 0) {
+                       query += " WHERE " + whereClause.toString(); //$NON-NLS-1$
+               }
+               if (numSelected > 0) {
+                       setMessage(""); //$NON-NLS-1$
+               } else {
+                       setMessage(Messages.getString("DeleteRowPage.WarningNoWhere")); //$NON-NLS-1$
+               }
+               this.query.setText(query);
+       }
+       
+    protected String getQueryText() {
+        return query.getText();
+    }
+}
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