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35 package gr.grnet.pithos.web.client;
37 import com.google.gwt.dom.client.NativeEvent;
38 import com.google.gwt.event.dom.client.ClickEvent;
39 import com.google.gwt.event.dom.client.ClickHandler;
40 import com.google.gwt.event.dom.client.KeyCodes;
41 import com.google.gwt.user.client.Event.NativePreviewEvent;
42 import com.google.gwt.user.client.ui.AbstractImagePrototype;
43 import com.google.gwt.user.client.ui.Anchor;
44 import com.google.gwt.user.client.ui.Button;
45 import com.google.gwt.user.client.ui.DialogBox;
46 import com.google.gwt.user.client.ui.HTML;
47 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
48 import com.google.gwt.user.client.ui.VerticalPanel;
52 * A dialog for requesting confirmation from the user.
54 public abstract class ConfirmationDialog extends DialogBox {
57 * The widget's constructor.
59 * @param message the message to display
60 * @param buttonLabel the label of the confirmation button
62 public ConfirmationDialog(String message, String buttonLabel) {
63 Anchor close = new Anchor("close");
64 close.addStyleName("close");
65 close.addClickHandler(new ClickHandler() {
68 public void onClick(ClickEvent event) {
72 // Set the dialog's caption.
73 setText("Confirmation");
74 setAnimationEnabled(true);
75 setGlassEnabled(true);
76 setStyleName("pithos-DialogBox");
77 // Create a VerticalPanel to contain the label and the buttons.
78 VerticalPanel outer = new VerticalPanel();
81 VerticalPanel inner = new VerticalPanel();
82 inner.addStyleName("inner");
84 HTML text = new HTML("<table><tr><td rowspan='2'> " +
85 AbstractImagePrototype.create(MessagePanel.images.warn()).getHTML() +
86 "</td><td>" + message + "</td></tr></table>");
87 text.setStyleName("pithos-warnMessage");
89 inner.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER);
91 // Create the 'Update' button, along with a listener that hides the
92 // dialog when the button is clicked and renames the file.
93 Button ok = new Button(buttonLabel, new ClickHandler() {
96 public void onClick(ClickEvent event) {
101 ok.addStyleName("button");
105 outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
110 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
111 super.onPreviewNativeEvent(preview);
112 NativeEvent evt = preview.getNativeEvent();
113 if (evt.getType().equals("keydown"))
114 // Use the popup's key preview hooks to close the dialog when either
115 // enter or escape is pressed.
116 switch (evt.getKeyCode()) {
117 case KeyCodes.KEY_ENTER:
121 case KeyCodes.KEY_ESCAPE:
128 public abstract void confirm();
130 public abstract void cancel();