archive/net.sourceforge.phpeclipse.sql/src/net/sourceforge/phpdt/sql/wizards/DeleteRowPage.java

   1 package net.sourceforge.phpdt.sql.wizards;
   2
   3 import org.eclipse.jface.wizard.WizardPage;
   4 import org.eclipse.swt.SWT;
   5 import org.eclipse.swt.events.ModifyEvent;
   6 import org.eclipse.swt.events.ModifyListener;
   7 import org.eclipse.swt.events.SelectionEvent;
   8 import org.eclipse.swt.events.SelectionListener;
   9 import org.eclipse.swt.layout.GridData;
  10 import org.eclipse.swt.layout.GridLayout;
  11 import org.eclipse.swt.widgets.Button;
  12 import org.eclipse.swt.widgets.Composite;
  13 import org.eclipse.swt.widgets.Label;
  14 import org.eclipse.swt.widgets.Text;
  15
  16 import net.sourceforge.phpdt.sql.Messages;
  17 import net.sourceforge.phpdt.sql.adapters.AdapterFactory;
  18 import net.sourceforge.phpdt.sql.adapters.DatabaseAdapter;
  19 import net.sourceforge.phpdt.sql.sql.MultiSQLServer;
  20 import net.sourceforge.phpdt.sql.sql.TableRow;
  21 import net.sourceforge.phpdt.sql.sql.metadata.ObjectMetaData;
  22 import net.sourceforge.phpdt.sql.view.BookmarkView;
  23 import net.sourceforge.phpdt.sql.view.bookmark.BookmarkNode;
  24 import net.sourceforge.phpdt.sql.view.bookmark.TreeNode;
  25 import net.sourceforge.phpdt.sql.view.tableview.TableAdapter;
  26
  27 public class DeleteRowPage extends WizardPage implements SQLPage {
  28         TableRow row;
  29         String[] columnNames;
  30         Text[] values;
  31         Button[] whereValues;
  32         Text query;
  33
  34         public DeleteRowPage(String pageName) {
  35                 super(pageName);
  36         }
  37
  38         public void init(TableRow row, TableAdapter adapter) {
  39                 this.row = row;
  40         }
  41
  42         public void createControl(Composite parent) {
  43                 System.out.println("page create control"); //$NON-NLS-1$
  44                 Composite container = new Composite(parent, SWT.NULL);
  45                 GridLayout layout = new GridLayout();
  46                 container.setLayout(layout);
  47                 layout.numColumns = 3;
  48
  49                 if (row == null) {
  50                         System.out.println("Row is null"); //$NON-NLS-1$
  51                 }
  52                 if (row.getColumnNames() == null) {
  53                         System.out.println("Columns are null"); //$NON-NLS-1$
  54                 }
  55                 if (row.getTableData() == null) {
  56                         System.out.println("Data is null"); //$NON-NLS-1$
  57                 }
  58                 BookmarkNode bookmark = row.getBookmarkNode();
  59                 TreeNode node = bookmark.find(row.getTable());
  60                 ObjectMetaData metadata = null;
  61                 if (node != null) metadata = node.getMetaData();
  62                 columnNames = row.getColumnNames();
  63                 String[] data = row.getTableData();
  64                 for (int i = 0; i < row.getColumnCount(); i++) {
  65                         System.out.println("data = " + i + "=" + data[i]); //$NON-NLS-1$ //$NON-NLS-2$
  66                         System.out.println("column = " + i + "=" + columnNames[i]); //$NON-NLS-1$ //$NON-NLS-2$
  67                 }
  68                 values = new Text[row.getColumnCount()];
  69                 whereValues = new Button[row.getColumnCount()];
  70                 new Label(container, SWT.NULL).setText(Messages.getString("DeleteRowPage.ColumnName")); //$NON-NLS-1$
  71                 new Label(container, SWT.NULL).setText(Messages.getString("DeleteRowPage.Value")); //$NON-NLS-1$
  72                 new Label(container, SWT.NULL).setText(Messages.getString("DeleteRowPage.IncludeIn")); //$NON-NLS-1$
  73                 for (int i = 0; i < row.getColumnCount(); i++) {
  74                         Label label = new Label(container, SWT.NULL);
  75                         label.setText(columnNames[i]);
  76                         values[i] = new Text(container, SWT.BORDER | SWT.SINGLE);
  77                         GridData fullHorizontal = new GridData();
  78                         fullHorizontal.horizontalAlignment = GridData.FILL;
  79                         values[i].setLayoutData(fullHorizontal);
  80                         values[i].setText(data[i]);
  81
  82                         values[i].addModifyListener(new ModifyListener() {
  83                                 public void modifyText(ModifyEvent e) {
  84                                         updateQuery();
  85                                 }
  86                         });
  87
  88                         whereValues[i] = new Button(container, SWT.CHECK);
  89                         whereValues[i].setText(Messages.getString("DeleteRowPage.WhereClause")); //$NON-NLS-1$
  90                         // we check if it's a primary key to select it in the WHERE clause
  91                         if (metadata != null && metadata.getPrimaryKeyOrder(columnNames[i]) > 0)
  92                                 whereValues[i].setSelection(true);
  93                         else
  94                                 whereValues[i].setSelection(false);
  95                         whereValues[i].addSelectionListener(new SelectionListener() {
  96                                 public void widgetDefaultSelected(SelectionEvent e) {
  97                                 }
  98                                 public void widgetSelected(SelectionEvent e) {
  99                                         updateQuery();
 100                                 }
 101                         });
 102                 }
 103                 query = new Text(container, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP);
 104                 GridData gridData = new GridData();
 105                 gridData.horizontalSpan = layout.numColumns;
 106                 gridData.verticalSpan = 3;
 107                 gridData.horizontalAlignment = GridData.FILL;
 108                 gridData.verticalAlignment = GridData.FILL;
 109                 gridData.grabExcessHorizontalSpace = true;
 110                 gridData.grabExcessVerticalSpace = true;
 111                 query.setLayoutData(gridData);
 112
 113                 setControl(container);
 114         updateQuery();
 115
 116                 setPageComplete(true);
 117         }
 118         public void updateQuery() {
 119                 System.out.println(Messages.getString("DeleteRowPage.UpdatingQuery")); //$NON-NLS-1$
 120                 StringBuffer whereClause = new StringBuffer();
 121                 BookmarkNode bookmark = row.getBookmarkNode();
 122                 TreeNode node = bookmark.find(row.getTable());
 123                 ObjectMetaData metadata = null;
 124                 if (node != null) metadata = node.getMetaData();
 125                 DatabaseAdapter adapter = AdapterFactory.getInstance().getAdapter(bookmark.getType());
 126
 127                 int numSelected = 0;
 128                 for (int i = 0; i < columnNames.length; i++) {
 129                         if (whereValues[i].getSelection()) {
 130                                 if (numSelected > 0) whereClause.append(" AND "); //$NON-NLS-1$
 131                                 numSelected++;
 132                                 whereClause.append("("); //$NON-NLS-1$
 133                                 whereClause.append(columnNames[i]);
 134                                 whereClause.append(" = "); //$NON-NLS-1$
 135                                 if (adapter != null && metadata != null)
 136                                         whereClause.append(adapter.quote(values[i].getText(), metadata.getColumnType(columnNames[i])));
 137                                 else
 138                                         whereClause.append(values[i].getText());
 139
 140                                 whereClause.append(")"); //$NON-NLS-1$
 141                         }
 142                 }
 143                 String query = "DELETE FROM " + row.getTable(); //$NON-NLS-1$
 144                 if (numSelected > 0) {
 145                         query += " WHERE " + whereClause.toString(); //$NON-NLS-1$
 146                 }
 147                 if (numSelected > 0) {
 148                         setMessage(""); //$NON-NLS-1$
 149                 } else {
 150                         setMessage(Messages.getString("DeleteRowPage.WarningNoWhere")); //$NON-NLS-1$
 151                 }
 152                 this.query.setText(query);
 153         }
 154
 155
 156         public boolean performFinish() {
 157            MultiSQLServer server = MultiSQLServer.getInstance();
 158            BookmarkView bookmarkView = BookmarkView.getInstance();
 159            BookmarkNode bookmark = bookmarkView.getCurrentBookmark();
 160            server.execute(bookmark.getConnection(), query.getText());
 161            return true;
 162         }
 163 }