archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/wizards/UpdateRowPage.java

   1 package com.quantum.wizards;
   2
   3 import org.eclipse.swt.SWT;
   4 import org.eclipse.swt.events.ModifyEvent;
   5 import org.eclipse.swt.events.ModifyListener;
   6 import org.eclipse.swt.events.SelectionEvent;
   7 import org.eclipse.swt.events.SelectionListener;
   8 import org.eclipse.swt.layout.GridData;
   9 import org.eclipse.swt.layout.GridLayout;
  10 import org.eclipse.swt.widgets.Button;
  11 import org.eclipse.swt.widgets.Composite;
  12 import org.eclipse.swt.widgets.Label;
  13 import org.eclipse.swt.widgets.Text;
  14
  15 import com.quantum.Messages;
  16 import com.quantum.adapters.DatabaseAdapter;
  17 import com.quantum.model.Bookmark;
  18 import com.quantum.model.Entity;
  19
  20 public class UpdateRowPage extends BaseSQLPage implements SQLPage {
  21         String[] columnNames;
  22         Text[] oldValues;
  23         Text[] newValues;
  24         Button[] primaryKeys;
  25         Button[] setValues;
  26         Label query;
  27         public UpdateRowPage(String pageName) {
  28                 super(pageName);
  29         }
  30
  31         public void createControl(Composite parent) {
  32                 System.out.println("page create control"); //$NON-NLS-1$
  33                 Composite container = new Composite(parent, SWT.V_SCROLL);
  34                 GridLayout layout = new GridLayout();
  35                 container.setLayout(layout);
  36                 Entity entity = row.getEntity();
  37
  38                 int layoutColumns = 5;
  39                 layout.numColumns = layoutColumns;
  40
  41                 if (row == null) {
  42                         System.out.println("Row is null"); //$NON-NLS-1$
  43                 }
  44                 if (row.getColumnNames() == null) {
  45                         System.out.println("Columns are null"); //$NON-NLS-1$
  46                 }
  47                 if (row.getTableData() == null) {
  48                         System.out.println("Data is null"); //$NON-NLS-1$
  49                 }
  50                 columnNames = row.getColumnNames();
  51                 String[] data = row.getTableData();
  52                 for (int i = 0; i < row.getColumnCount(); i++) {
  53                         System.out.println("data = " + i + "=" + data[i]); //$NON-NLS-1$ //$NON-NLS-2$
  54                         System.out.println("column = " + i + "=" + columnNames[i]); //$NON-NLS-1$ //$NON-NLS-2$
  55                 }
  56                 oldValues = new Text[row.getColumnCount()];
  57                 newValues = new Text[row.getColumnCount()];
  58                 primaryKeys = new Button[row.getColumnCount()];
  59                 setValues = new Button[row.getColumnCount()];
  60                 Label temp = new Label(container, SWT.NULL);
  61                 temp.setText(Messages.getString("UpdateRowPage.ColumnName")); //$NON-NLS-1$
  62                 temp = new Label(container, SWT.NULL);
  63                 temp.setText(Messages.getString("UpdateRowPage.OldValue")); //$NON-NLS-1$
  64                 temp = new Label(container, SWT.NULL);
  65                 temp.setText(""); //$NON-NLS-1$
  66                 temp = new Label(container, SWT.NULL);
  67                 temp.setText(Messages.getString("UpdateRowPage.NewValue")); //$NON-NLS-1$
  68                 temp = new Label(container, SWT.NULL);
  69                 temp.setText(Messages.getString("UpdateRowPage._13")); //$NON-NLS-1$
  70                 for (int i = 0; i < row.getColumnCount(); i++) {
  71                         Label label = new Label(container, SWT.NULL);
  72                         label.setText(columnNames[i]);
  73                         oldValues[i] = new Text(container, SWT.BORDER | SWT.SINGLE);
  74                         oldValues[i].setText(data[i]);
  75                         oldValues[i].addModifyListener(new ModifyListener() {
  76                                 public void modifyText(ModifyEvent e) {
  77                                         updateQuery();
  78                                 }
  79                         });
  80                         primaryKeys[i] = new Button(container, SWT.CHECK);
  81                         primaryKeys[i].setText("Where"); //$NON-NLS-1$
  82                         if (entity != null && getColumn(entity, columnNames[i]).isPrimaryKey())
  83                                 primaryKeys[i].setSelection(true);
  84                         primaryKeys[i].addSelectionListener(new SelectionListener() {
  85                                 public void widgetDefaultSelected(SelectionEvent e) {
  86                                 }
  87                                 public void widgetSelected(SelectionEvent e) {
  88                                         updateQuery();
  89                                 }
  90                         });
  91                         newValues[i] = new Text(container, SWT.BORDER | SWT.SINGLE);
  92                         newValues[i].setText(data[i]);
  93                         newValues[i].addModifyListener(new ModifyListener() {
  94                                 public void modifyText(ModifyEvent e) {
  95                                         updateQuery();
  96                                 }
  97                         });
  98                         setValues[i] = new Button(container, SWT.CHECK);
  99                         setValues[i].setText(Messages.getString("UpdateRowPage.SetValue")); //$NON-NLS-1$
 100                         setValues[i].addSelectionListener(new SelectionListener() {
 101                                 public void widgetDefaultSelected(SelectionEvent e) {
 102                                 }
 103                                 public void widgetSelected(SelectionEvent e) {
 104                                         updateQuery();
 105                                 }
 106                         });
 107                 }
 108                 query = new Label(container, SWT.WRAP | SWT.V_SCROLL);
 109                 GridData gridData = new GridData();
 110                 gridData.horizontalSpan = layoutColumns;
 111                 gridData.horizontalAlignment = GridData.FILL;
 112                 gridData.verticalAlignment = GridData.FILL;
 113                 gridData.grabExcessHorizontalSpace = true;
 114                 gridData.grabExcessVerticalSpace = true;
 115                 query.setLayoutData(gridData);
 116
 117                 setControl(container);
 118         updateQuery();
 119
 120                 setPageComplete(true);
 121         }
 122         public void updateQuery() {
 123                 System.out.println("Updating query"); //$NON-NLS-1$
 124                 StringBuffer setClause = new StringBuffer();
 125                 StringBuffer whereClause = new StringBuffer();
 126                 Bookmark bookmark = row.getBookmark();
 127                 Entity entity = row.getEntity();
 128                 DatabaseAdapter adapter = bookmark.getAdapter();
 129
 130                 int numValuesSet = 0;
 131                 int numValuesWhere = 0;
 132                 for (int i = 0; i < columnNames.length; i++) {
 133                         if (primaryKeys[i].getSelection()) {
 134                                 String value = oldValues[i].getText();
 135                                 if (numValuesWhere > 0) whereClause.append(" AND "); //$NON-NLS-1$
 136                                 whereClause.append("("); //$NON-NLS-1$
 137                                 whereClause.append(columnNames[i]);
 138                                 whereClause.append(" = "); //$NON-NLS-1$
 139                 appendColumn(whereClause, entity, columnNames[i], adapter, value);
 140                                 whereClause.append(")"); //$NON-NLS-1$
 141                                 numValuesWhere++;
 142                         }
 143                         if (setValues[i].getSelection()) {
 144                                 String value = newValues[i].getText();
 145                                 if (numValuesSet > 0) setClause.append(", "); //$NON-NLS-1$
 146                                 setClause.append(columnNames[i]);
 147                                 setClause.append(" = "); //$NON-NLS-1$
 148                 appendColumn(setClause, entity, columnNames[i], adapter, value);
 149                                 numValuesSet++;
 150                         }
 151                 }
 152                         String query = "UPDATE " + row.getTable(); //$NON-NLS-1$
 153                 query += " SET " + setClause.toString(); //$NON-NLS-1$
 154                 query += " WHERE " + whereClause.toString(); //$NON-NLS-1$
 155                 this.query.setText(query);
 156         }
 157
 158     /* (non-Javadoc)
 159      * @see com.quantum.wizards.BaseSQLPage#getQueryText()
 160      */
 161     protected String getQueryText() {
 162         return query.getText();
 163     }
 164
 165 }