org.argeo.suite.ui/src/org/argeo/suite/ui/widgets/AbstractConnectContextMenu.java

   1 package org.argeo.suite.ui.widgets;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5
   6 import org.argeo.cms.ui.util.CmsUiUtils;
   7 import org.argeo.eclipse.ui.EclipseUiUtils;
   8 import org.eclipse.jface.viewers.IStructuredSelection;
   9 import org.eclipse.swt.SWT;
  10 import org.eclipse.swt.events.SelectionAdapter;
  11 import org.eclipse.swt.events.SelectionEvent;
  12 import org.eclipse.swt.events.ShellEvent;
  13 import org.eclipse.swt.graphics.Point;
  14 import org.eclipse.swt.layout.GridData;
  15 import org.eclipse.swt.widgets.Button;
  16 import org.eclipse.swt.widgets.Composite;
  17 import org.eclipse.swt.widgets.Control;
  18 import org.eclipse.swt.widgets.Display;
  19 import org.eclipse.swt.widgets.Label;
  20 import org.eclipse.swt.widgets.Shell;
  21
  22 /**
  23  * Generic popup context menu for TableViewer to enable single sourcing between
  24  * CMS and Workbench
  25  */
  26 public abstract class AbstractConnectContextMenu {
  27
  28         private Shell parentShell;
  29         private Shell shell;
  30         // Local context
  31
  32         private final static String KEY_ACTION_ID = "actionId";
  33         private final String[] defaultActions;
  34         private Map<String, Button> actionButtons = new HashMap<String, Button>();
  35
  36         public AbstractConnectContextMenu(Display display, String[] defaultActions) {
  37                 parentShell = display.getActiveShell();
  38                 shell = new Shell(parentShell, SWT.NO_TRIM | SWT.BORDER | SWT.ON_TOP);
  39                 this.defaultActions = defaultActions;
  40         }
  41
  42         protected void createControl() {
  43                 shell.setLayout(EclipseUiUtils.noSpaceGridLayout());
  44                 Composite boxCmp = new Composite(shell, SWT.NO_FOCUS | SWT.BORDER);
  45                 boxCmp.setLayout(EclipseUiUtils.noSpaceGridLayout());
  46 //              CmsUiUtils.style(boxCmp, ConnectUiStyles.CONTEXT_MENU_BOX);
  47                 createContextMenu(boxCmp);
  48                 shell.addShellListener(new ActionsShellListener());
  49         }
  50
  51         protected void createContextMenu(Composite boxCmp) {
  52                 ActionsSelListener asl = new ActionsSelListener();
  53                 for (String actionId : defaultActions) {
  54                         Button btn = new Button(boxCmp, SWT.FLAT | SWT.LEAD);
  55                         btn.setText(getLabel(actionId));
  56                         btn.setLayoutData(EclipseUiUtils.fillWidth());
  57                         CmsUiUtils.markup(btn);
  58 //                      CmsUiUtils.style(btn, actionId + ConnectUiStyles.BUTTON_SUFFIX);
  59                         btn.setData(KEY_ACTION_ID, actionId);
  60                         btn.addSelectionListener(asl);
  61                         actionButtons.put(actionId, btn);
  62                 }
  63         }
  64
  65         protected void setVisible(boolean visible, String... buttonIds) {
  66                 for (String id : buttonIds) {
  67                         Button button = actionButtons.get(id);
  68                         button.setVisible(visible);
  69                         GridData gd = (GridData) button.getLayoutData();
  70                         gd.heightHint = visible ? SWT.DEFAULT : 0;
  71                 }
  72         }
  73
  74         public void show(Control source, Point location, IStructuredSelection selection) {
  75                 if (shell.isDisposed()) {
  76                         shell = new Shell(Display.getCurrent(), SWT.NO_TRIM | SWT.BORDER | SWT.ON_TOP);
  77                         createControl();
  78                 }
  79                 if (shell.isVisible())
  80                         shell.setVisible(false);
  81
  82                 if (aboutToShow(source, location, selection)) {
  83                         shell.pack();
  84                         shell.layout();
  85                         if (source instanceof Control)
  86                                 shell.setLocation(((Control) source).toDisplay(location.x, location.y));
  87                         shell.open();
  88                 }
  89         }
  90
  91         protected Shell getParentShell() {
  92                 return parentShell;
  93         }
  94
  95         class StyleButton extends Label {
  96                 private static final long serialVersionUID = 7731102609123946115L;
  97
  98                 public StyleButton(Composite parent, int swtStyle) {
  99                         super(parent, swtStyle);
 100                 }
 101         }
 102
 103         class ActionsSelListener extends SelectionAdapter {
 104                 private static final long serialVersionUID = -1041871937815812149L;
 105
 106                 @Override
 107                 public void widgetSelected(SelectionEvent e) {
 108                         Object eventSource = e.getSource();
 109                         if (eventSource instanceof Button) {
 110                                 Button pressedBtn = (Button) eventSource;
 111                                 performAction((String) pressedBtn.getData(KEY_ACTION_ID));
 112                                 shell.close();
 113                         }
 114                 }
 115         }
 116
 117         class ActionsShellListener extends org.eclipse.swt.events.ShellAdapter {
 118                 private static final long serialVersionUID = -5092341449523150827L;
 119
 120                 @Override
 121                 public void shellDeactivated(ShellEvent e) {
 122                         setVisible(false);
 123                         shell.setVisible(false);
 124                         //shell.close();
 125                 }
 126         }
 127
 128         protected abstract boolean performAction(String actionId);
 129
 130         protected abstract boolean aboutToShow(Control source, Point location, IStructuredSelection selection);
 131
 132         protected abstract String getLabel(String actionId);
 133 }