org.argeo.cms.ui/src/org/argeo/cms/ui/dialogs/CmsMessageDialog.java

   1 package org.argeo.cms.ui.dialogs;
   2
   3 import org.argeo.cms.CmsMsg;
   4 import org.argeo.cms.util.CmsUtils;
   5 import org.argeo.eclipse.ui.EclipseUiUtils;
   6 import org.argeo.eclipse.ui.Selected;
   7 import org.argeo.eclipse.ui.dialogs.LightweightDialog;
   8 import org.eclipse.swt.SWT;
   9 import org.eclipse.swt.events.TraverseEvent;
  10 import org.eclipse.swt.events.TraverseListener;
  11 import org.eclipse.swt.graphics.Point;
  12 import org.eclipse.swt.layout.GridData;
  13 import org.eclipse.swt.layout.GridLayout;
  14 import org.eclipse.swt.widgets.Button;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.Control;
  17 import org.eclipse.swt.widgets.Display;
  18 import org.eclipse.swt.widgets.Label;
  19 import org.eclipse.swt.widgets.Shell;
  20
  21 public class CmsMessageDialog extends LightweightDialog {
  22         public final static int INFORMATION = 2;
  23         public final static int QUESTION = 3;
  24         public final static int WARNING = 4;
  25         public final static int CONFIRM = 5;
  26
  27         private int kind;
  28         private String message;
  29
  30         public CmsMessageDialog(Shell parentShell, String message, int kind) {
  31                 super(parentShell);
  32                 this.kind = kind;
  33                 this.message = message;
  34         }
  35
  36         protected Control createDialogArea(Composite parent) {
  37                 parent.setLayout(new GridLayout());
  38
  39                 TraverseListener traverseListener = new TraverseListener() {
  40                         private static final long serialVersionUID = -1158892811534971856L;
  41
  42                         public void keyTraversed(TraverseEvent e) {
  43                                 if (e.detail == SWT.TRAVERSE_RETURN)
  44                                         okPressed();
  45                                 else if (e.detail == SWT.TRAVERSE_ESCAPE)
  46                                         cancelPressed();
  47                         }
  48                 };
  49
  50                 // message
  51                 Composite body = new Composite(parent, SWT.NONE);
  52                 body.addTraverseListener(traverseListener);
  53                 GridLayout bodyGridLayout = new GridLayout();
  54                 bodyGridLayout.marginHeight = 20;
  55                 bodyGridLayout.marginWidth = 20;
  56                 body.setLayout(bodyGridLayout);
  57                 body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  58
  59                 Label messageLbl = new Label(body, SWT.WRAP);
  60                 CmsUtils.markup(messageLbl);
  61                 messageLbl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  62                 messageLbl.setFont(EclipseUiUtils.getBoldFont(parent));
  63                 if (message != null)
  64                         messageLbl.setText(message);
  65
  66                 // buttons
  67                 Composite buttons = new Composite(parent, SWT.NONE);
  68                 buttons.addTraverseListener(traverseListener);
  69                 buttons.setLayoutData(new GridData(SWT.END, SWT.FILL, true, false));
  70                 if (kind == INFORMATION || kind == WARNING) {
  71                         GridLayout layout = new GridLayout(1, true);
  72                         layout.marginWidth = 0;
  73                         layout.marginHeight = 0;
  74                         buttons.setLayout(layout);
  75
  76                         Button close = new Button(buttons, SWT.FLAT);
  77                         close.setText(CmsMsg.close.lead());
  78                         close.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
  79                         close.addSelectionListener((Selected) (e) -> closeShell(OK));
  80                         close.setFocus();
  81                         close.addTraverseListener(traverseListener);
  82
  83                         buttons.setTabList(new Control[] { close });
  84                 } else if (kind == CONFIRM || kind == QUESTION) {
  85                         Control input = createInputArea(body);
  86                         if (input != null) {
  87                                 input.addTraverseListener(traverseListener);
  88                                 body.setTabList(new Control[] { input });
  89                         }
  90                         GridLayout layout = new GridLayout(2, true);
  91                         layout.marginWidth = 0;
  92                         layout.marginHeight = 0;
  93                         buttons.setLayout(layout);
  94
  95                         Button cancel = new Button(buttons, SWT.FLAT);
  96                         cancel.setText(CmsMsg.cancel.lead());
  97                         cancel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
  98                         cancel.addSelectionListener((Selected) (e) -> cancelPressed());
  99                         cancel.addTraverseListener(traverseListener);
 100
 101                         Button ok = new Button(buttons, SWT.FLAT);
 102                         ok.setText(CmsMsg.ok.lead());
 103                         ok.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
 104                         ok.addSelectionListener((Selected) (e) -> okPressed());
 105                         ok.addTraverseListener(traverseListener);
 106                         if (input == null)
 107                                 ok.setFocus();
 108                         else
 109                                 input.setFocus();
 110
 111                         buttons.setTabList(new Control[] { ok, cancel });
 112                 }
 113                 // pack();
 114                 parent.setTabList(new Control[] { body, buttons });
 115                 return body;
 116         }
 117
 118         protected Control createInputArea(Composite parent) {
 119                 return null;
 120         }
 121
 122         protected void okPressed() {
 123                 closeShell(OK);
 124         }
 125
 126         protected void cancelPressed() {
 127                 closeShell(CANCEL);
 128         }
 129
 130         protected Point getInitialSize() {
 131                 return new Point(400, 200);
 132         }
 133
 134         public static boolean open(int kind, Shell parent, String message) {
 135                 CmsMessageDialog dialog = new CmsMessageDialog(parent, message, kind);
 136                 return dialog.open() == 0;
 137         }
 138
 139         public static boolean openConfirm(String message) {
 140                 return open(CONFIRM, Display.getCurrent().getActiveShell(), message);
 141         }
 142
 143         public static void openInformation(String message) {
 144                 open(INFORMATION, Display.getCurrent().getActiveShell(), message);
 145         }
 146
 147         public static boolean openQuestion(String message) {
 148                 return open(QUESTION, Display.getCurrent().getActiveShell(), message);
 149         }
 150
 151         public static void openWarning(String message) {
 152                 open(WARNING, Display.getCurrent().getActiveShell(), message);
 153         }
 154
 155 }