archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/tableview/TableView.java

   1 package com.quantum.view.tableview;
   2
   3 import java.util.Vector;
   4
   5 import org.eclipse.jface.action.Action;
   6 import org.eclipse.jface.action.IMenuListener;
   7 import org.eclipse.jface.action.MenuManager;
   8 import org.eclipse.jface.viewers.ISelection;
   9 import org.eclipse.swt.SWT;
  10 import org.eclipse.swt.events.SelectionEvent;
  11 import org.eclipse.swt.events.SelectionListener;
  12 import org.eclipse.swt.layout.GridData;
  13 import org.eclipse.swt.layout.GridLayout;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Label;
  16 import org.eclipse.swt.widgets.Menu;
  17 import org.eclipse.swt.widgets.TabFolder;
  18 import org.eclipse.swt.widgets.TabItem;
  19 import org.eclipse.swt.widgets.Table;
  20 import org.eclipse.swt.widgets.ToolBar;
  21 import org.eclipse.ui.ISelectionListener;
  22 import org.eclipse.ui.IWorkbenchPart;
  23 import org.eclipse.ui.WorkbenchException;
  24 import org.eclipse.ui.part.ViewPart;
  25
  26 import com.quantum.Messages;
  27 import com.quantum.QuantumPlugin;
  28 import com.quantum.extensions.ProcessServiceMembers;
  29 import com.quantum.model.Bookmark;
  30 import com.quantum.model.Entity;
  31 import com.quantum.model.NotConnectedException;
  32 import com.quantum.sql.SQLResults;
  33 import com.quantum.ui.dialog.ExceptionDisplayDialog;
  34 import com.quantum.view.LogProxy;
  35
  36 /**
  37  * The Table View. Displays tables and Queries.
  38  */
  39 public class TableView extends ViewPart implements ISelectionListener {
  40
  41         private class DefaultEncodingAction extends Action {
  42         private final TableAdapter ta;
  43         private DefaultEncodingAction(TableAdapter ta) {
  44             super();
  45             this.ta = ta;
  46         }
  47         public void run() {
  48                 ta.setEncoding(TableAdapter.DEFAULT);
  49         }
  50     }
  51     private static TableView instance = null;
  52         private TabFolder tabs = null;
  53         private Composite parent;
  54         private Vector extensionVector;
  55
  56         /**
  57          * Generic contructor
  58          */
  59         public TableView() {
  60         }
  61
  62
  63         public void setFocus() {
  64                 setQualifiedTitle();
  65         }
  66
  67     /**
  68      * Gets the instance of the TableView.  This view can appear on multiple
  69      * perspectives, but tabs within the view are shared no matter which perspective
  70      * is open.
  71      *
  72      * @return the TableView instance.
  73      */
  74         public static TableView getInstance() {
  75                 return (TableView) QuantumPlugin.getDefault().getView("com.quantum.view.tableview.TableView");
  76         }
  77
  78         /**
  79          * Close the current tab, disposing of it
  80          */
  81         public void closeCurrent() {
  82                 if (tabs == null) return;
  83
  84                 if (tabs.getSelectionIndex() >= 0) {
  85                         try {
  86                                 TabItem item = tabs.getItem(tabs.getSelectionIndex());
  87                                 item.dispose();
  88                         } catch (Throwable e) {
  89                                 LogProxy.getInstance().addText(LogProxy.ERROR, "Error Closing Current: " + e.toString()); //$NON-NLS-1$
  90                                 e.printStackTrace();
  91                         }
  92                 }
  93                 if (tabs.getItemCount() == 0) {
  94                         setTitle(Messages.getString("tableview.QuantumTableViewName")); //$NON-NLS-1$
  95                 }
  96         }
  97
  98         /**
  99          * Reload table or query data into the selected tab
 100          */
 101         public void refreshCurrent() {
 102                 TabItem item = tabs.getItem(tabs.getSelectionIndex());
 103                 TableAdapter adapter = (TableAdapter) item.getData();
 104                 Bookmark bookmark = adapter.getBookmark();
 105                 String table = adapter.getTable();
 106                 if (table == null) {
 107                         loadTable(bookmark, item, null, null, true, true);
 108                 } else {
 109                         loadTable(bookmark, item, null, null, true, true);
 110                 }
 111                 String title = Messages.getString("tableview.QuantumTableViewName"); //$NON-NLS-1$
 112                 if (bookmark != null)
 113                         title = bookmark.getName() + Messages.getString("tableview.ViewNameInitialDecoration") + title + Messages.getString("tableview.ViewNameFinalDecoration"); //$NON-NLS-1$ //$NON-NLS-2$
 114                 setTitle(title);
 115         }
 116
 117     public void loadQuery(Bookmark bookmark, SQLResults results) {
 118         loadTable(bookmark, null, null, results, true, false);
 119     }
 120         public void loadTable(Entity entity) {
 121                 loadTable(entity.getBookmark(), null, entity, null, false, true);
 122         }
 123         public void loadTable(Bookmark bookmark, TabItem tabItem, Entity entity, SQLResults results, boolean query, boolean reload) {
 124         try {
 125                 TableAdapter adapter;
 126                 // If no TabItem is given we have to create a new one, with the info of the table or view.
 127                 if (tabItem == null) {
 128                         tabItem = new TabItem(tabs, SWT.NONE);
 129                         // Data is stored in a TableAdapter object
 130                         if (query) {
 131                                 adapter = TableAdapter.createFromQuery(bookmark, results);
 132                         } else {
 133                                 adapter = TableAdapter.createFromTable(entity);
 134                         }
 135                         // That is stored in the tabItem, so it won't get lost
 136                         tabItem.setData(adapter);
 137                         // This does not really belong here, but it'll fail if done before the creation of the
 138                         // first TabItem, so it remains here till a better place found.
 139                         // We set a function to change the Title of the window depending on the selected tab.
 140                         tabs.addSelectionListener(new SelectionListener() {
 141                                 public void widgetDefaultSelected(SelectionEvent e) {
 142                                 }
 143                                 public void widgetSelected(SelectionEvent e) {
 144                                         setQualifiedTitle();
 145                                 }
 146                         });
 147                 } else {
 148                         // If there is already a TabItem, we take its TableAdapter object
 149                         adapter = (TableAdapter) tabItem.getData();
 150                 }
 151
 152                 // We create a Composite widget (main) to display our data, with a GridLayout
 153                 Composite main = new Composite(tabs, SWT.NONE);
 154                 GridLayout layout = new GridLayout(1, false);
 155                 layout.horizontalSpacing = 0;
 156                 layout.verticalSpacing = 0;
 157                 main.setLayout(layout);
 158
 159
 160                 // load widgets, the order of loading them determines the appearance in screen
 161                 ToolBar widgetToolBar = new ToolBar(main, SWT.HORIZONTAL);
 162                 // We fill up our Composite widget, the main table display, etc.
 163                 final Table table = new Table(main, SWT.FULL_SELECTION | SWT.MULTI);
 164                 final Label label = new Label(main, SWT.NULL);
 165                 TableViewToolBar toolBar = new TableViewToolBar(this, widgetToolBar, table, adapter, label);
 166
 167
 168                 // load table
 169                 if (reload) {
 170                         adapter.resetOffset();
 171                         adapter.loadData();
 172                 }
 173                 // Load the table data from the adapter into the widget
 174                 adapter.loadTable(table);
 175                 // Experimental, won't make it into 2.2
 176                 // final TableViewer viewer = adapter.addTableViewer(table);
 177
 178                 String tableName = adapter.getTable();
 179                 if (tableName != null) {
 180                         tabItem.setText(bookmark.getName() + ":" + tableName);
 181                 } else {
 182                         tabItem.setText(bookmark.getName() + ":" + adapter.getQuery());
 183                 }
 184
 185                 toolBar.getPrevious().setEnabled(adapter.hasPreviousPage());
 186                 toolBar.getNext().setEnabled(adapter.hasNextPage());
 187                 label.setText(adapter.getStatusString());
 188
 189                 GridData gridData = new GridData();
 190                 gridData.horizontalAlignment = GridData.FILL;
 191                 gridData.verticalAlignment = GridData.FILL;
 192                 gridData.grabExcessHorizontalSpace = true;
 193                 gridData.grabExcessVerticalSpace = true;
 194                 table.setLayoutData(gridData);
 195
 196                 gridData = new GridData();
 197                 gridData.horizontalAlignment = GridData.FILL;
 198                 label.setLayoutData(gridData);
 199
 200
 201                 toolBar.setColumns(this, adapter, table);
 202                 final TableAdapter ta = adapter;
 203                 final Action defaultEncodingAction = new DefaultEncodingAction(ta);
 204                 defaultEncodingAction.setText(Messages.getString("tableview.defaultEncoding")); //$NON-NLS-1$
 205                 final Action UTF8EncodingAction = new Action() {
 206                         public void run() {
 207                                 ta.setEncoding(TableAdapter.UTF_8);
 208                         }
 209                 };
 210                 UTF8EncodingAction.setText(Messages.getString("tableview.UTF8Encoding")); //$NON-NLS-1$
 211                 final Action UTF16EncodingAction = new Action() {
 212                         public void run() {
 213                                 ta.setEncoding(TableAdapter.UTF_16);
 214                         }
 215                 };
 216                 UTF16EncodingAction.setText(Messages.getString("tableview.UTF16Encoding")); //$NON-NLS-1$
 217
 218                 IMenuListener menuListener = new TableViewMenuListener(this, table, UTF16EncodingAction, ta, defaultEncodingAction, UTF8EncodingAction, extensionVector);
 219
 220                 // final setup
 221                 MenuManager manager = new MenuManager();
 222                 manager.setRemoveAllWhenShown(true);
 223                 Menu fTextContextMenu = manager.createContextMenu(table);
 224                 table.setMenu(fTextContextMenu);
 225                 table.setLinesVisible(true);
 226                 manager.addMenuListener(menuListener);
 227
 228                 tabItem.setControl(main);
 229                 tabs.setSelection(tabs.indexOf(tabItem));
 230
 231                 setQualifiedTitle();
 232         } catch (NotConnectedException e) {
 233             e.printStackTrace();
 234             handleException(e);
 235         } catch (Exception e) {
 236             e.printStackTrace();
 237         }
 238         }
 239
 240     protected void handleException(Exception e) {
 241         ExceptionDisplayDialog.openError(getSite().getShell(), null, null, e);
 242     }
 243
 244         /**
 245          * @return
 246          */
 247         /**
 248          * Sets the title of the window to the text of the selected tab
 249          */
 250         private void setQualifiedTitle() {
 251                 if (tabs.getSelectionIndex() < 0) return;
 252                 TabItem item = tabs.getItem(tabs.getSelectionIndex());
 253                 String defTitle = Messages.getString("tableview.QuantumTableViewName"); //$NON-NLS-1$
 254                 String title = item.getText();
 255                 int ind = title.indexOf(Messages.getString("tableview.BookmarkSeparator")); //$NON-NLS-1$
 256                 if (ind > 0) defTitle = title.substring(0,ind)
 257                                                                 + Messages.getString("tableview.ViewNameInitialDecoration")   //$NON-NLS-1$
 258                                                                 + defTitle
 259                                                                 + Messages.getString("tableview.ViewNameFinalDecoration"); //$NON-NLS-1$
 260                 setTitle(defTitle);
 261         }
 262
 263         public void createPartControl(Composite parent) {
 264                 instance = this;
 265                 this.parent = parent;
 266                 initActions();
 267                 tabs = new TabFolder(parent, SWT.NONE);
 268         }
 269
 270         public void initActions() {
 271                 extensionVector = new Vector();
 272                 try {
 273                         ProcessServiceMembers.process(this, extensionVector);
 274                 } catch (WorkbenchException e) {
 275                         e.printStackTrace();
 276                 }
 277
 278         }
 279
 280         public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 281
 282         }
 283 }