dialogtab.java

SWT开发例子

	void createControlWidgets () {
	
		/* Create the combo */
		String [] strings = {
			ControlExample.getResourceString("ColorDialog"), 
			ControlExample.getResourceString("DirectoryDialog"),
			ControlExample.getResourceString("FileDialog"),
			ControlExample.getResourceString("FontDialog"),
			ControlExample.getResourceString("PrintDialog"),
			ControlExample.getResourceString("MessageBox"),
		};
		dialogCombo = new Combo (dialogStyleGroup, SWT.READ_ONLY);
		dialogCombo.setItems (strings);
		dialogCombo.setText (strings [0]);
	
		/* Create the create dialog button */
		Button createButton = new Button(dialogStyleGroup, SWT.NONE);
		createButton.setText (ControlExample.getResourceString("Create_Dialog"));
		createButton.setLayoutData (new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
	
		/* Create a group for the various dialog button style controls */
		Group buttonStyleGroup = new Group (controlGroup, SWT.NONE);
		buttonStyleGroup.setLayout (new GridLayout ());
		buttonStyleGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
		buttonStyleGroup.setText (ControlExample.getResourceString("Button_Styles"));
	
		/* Create the button style buttons */
		okButton = new Button (buttonStyleGroup, SWT.CHECK);
		okButton.setText ("SWT.OK");
		cancelButton = new Button (buttonStyleGroup, SWT.CHECK);
		cancelButton.setText ("SWT.CANCEL");
		yesButton = new Button (buttonStyleGroup, SWT.CHECK);
		yesButton.setText ("SWT.YES");
		noButton = new Button (buttonStyleGroup, SWT.CHECK);
		noButton.setText ("SWT.NO");
		retryButton = new Button (buttonStyleGroup, SWT.CHECK);
		retryButton.setText ("SWT.RETRY");
		abortButton = new Button (buttonStyleGroup, SWT.CHECK);
		abortButton.setText ("SWT.ABORT");
		ignoreButton = new Button (buttonStyleGroup, SWT.CHECK);
		ignoreButton.setText ("SWT.IGNORE");
	
		/* Create a group for the icon style controls */
		Group iconStyleGroup = new Group (controlGroup, SWT.NONE);
		iconStyleGroup.setLayout (new GridLayout ());
		iconStyleGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
		iconStyleGroup.setText (ControlExample.getResourceString("Icon_Styles"));
	
		/* Create the icon style buttons */
		iconErrorButton = new Button (iconStyleGroup, SWT.RADIO);
		iconErrorButton.setText ("SWT.ICON_ERROR");
		iconInformationButton = new Button (iconStyleGroup, SWT.RADIO);
		iconInformationButton.setText ("SWT.ICON_INFORMATION");
		iconQuestionButton = new Button (iconStyleGroup, SWT.RADIO);
		iconQuestionButton.setText ("SWT.ICON_QUESTION");
		iconWarningButton = new Button (iconStyleGroup, SWT.RADIO);
		iconWarningButton.setText ("SWT.ICON_WARNING");
		iconWorkingButton = new Button (iconStyleGroup, SWT.RADIO);
		iconWorkingButton.setText ("SWT.ICON_WORKING");
	
		/* Create a group for the modal style controls */
		Group modalStyleGroup = new Group (controlGroup, SWT.NONE);
		modalStyleGroup.setLayout (new GridLayout ());
		modalStyleGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
		modalStyleGroup.setText (ControlExample.getResourceString("Modal_Styles"));
	
		/* Create the modal style buttons */
		modelessButton = new Button (modalStyleGroup, SWT.RADIO);
		modelessButton.setText ("SWT.MODELESS");
		primaryModalButton = new Button (modalStyleGroup, SWT.RADIO);
		primaryModalButton.setText ("SWT.PRIMARY_MODAL");
		applicationModalButton = new Button (modalStyleGroup, SWT.RADIO);
		applicationModalButton.setText ("SWT.APPLICATION_MODAL");
		systemModalButton = new Button (modalStyleGroup, SWT.RADIO);
		systemModalButton.setText ("SWT.SYSTEM_MODAL");
	
		/* Create a group for the file dialog style controls */
		Group fileDialogStyleGroup = new Group (controlGroup, SWT.NONE);
		fileDialogStyleGroup.setLayout (new GridLayout ());
		fileDialogStyleGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
		fileDialogStyleGroup.setText (ControlExample.getResourceString("File_Dialog_Styles"));
	
		/* Create the file dialog style buttons */
		openButton = new Button(fileDialogStyleGroup, SWT.RADIO);
		openButton.setText("SWT.OPEN");
		saveButton = new Button (fileDialogStyleGroup, SWT.RADIO);
		saveButton.setText ("SWT.SAVE");
		multiButton = new Button(fileDialogStyleGroup, SWT.CHECK);
		multiButton.setText("SWT.MULTI");
	
		/* Create the orientation group */
		if (RTL_SUPPORT_ENABLE) {
			createOrientationGroup();
		}
		
		/* Add the listeners */
		dialogCombo.addSelectionListener (new SelectionAdapter () {
			public void widgetSelected (SelectionEvent event) {
				dialogSelected (event);
			};
		});
		createButton.addSelectionListener (new SelectionAdapter () {
			public void widgetSelected (SelectionEvent event) {
				createButtonSelected (event);
			};
		});
		SelectionListener buttonStyleListener = new SelectionAdapter () {
			public void widgetSelected (SelectionEvent event) {
				buttonStyleSelected (event);
			};
		};
		okButton.addSelectionListener (buttonStyleListener);
		cancelButton.addSelectionListener (buttonStyleListener);
		yesButton.addSelectionListener (buttonStyleListener);
		noButton.addSelectionListener (buttonStyleListener);
		retryButton.addSelectionListener (buttonStyleListener);
		abortButton.addSelectionListener (buttonStyleListener);
		ignoreButton.addSelectionListener (buttonStyleListener);
	
		/* Set default values for style buttons */
		okButton.setEnabled (false);
		cancelButton.setEnabled (false);
		yesButton.setEnabled (false);
		noButton.setEnabled (false);
		retryButton.setEnabled (false);
		abortButton.setEnabled (false);
		ignoreButton.setEnabled (false);
		iconErrorButton.setEnabled (false);
		iconInformationButton.setEnabled (false);
		iconQuestionButton.setEnabled (false);
		iconWarningButton.setEnabled (false);
		iconWorkingButton.setEnabled (false);
		saveButton.setEnabled (false);
		openButton.setEnabled (false);
		openButton.setSelection (true);
		multiButton.setEnabled (false);
		iconInformationButton.setSelection (true);
		modelessButton.setSelection (true);
	}
	
	/**
	 * Creates the "Example" group.
	 */
	void createExampleGroup () {
		super.createExampleGroup ();
		
		/*
		 * Create a group for the text widget to display
		 * the results returned by the example dialogs.
		 */
		resultGroup = new Group (exampleGroup, SWT.NONE);
		resultGroup.setLayout (new GridLayout ());
		resultGroup.setLayoutData (new GridData (GridData.FILL_BOTH));
		resultGroup.setText (ControlExample.getResourceString("Dialog_Result"));
	}
	
	/**
	 * Creates the "Example" widgets.
	 */
	void createExampleWidgets () {
		/*
		 * Create a multi lined, scrolled text widget for output.
		 */
		textWidget = new Text(resultGroup, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
		GridData gridData = new GridData (GridData.FILL_BOTH);
		textWidget.setLayoutData (gridData);	
	}
	
	/**
	 * The platform dialogs do not have SWT listeners.
	 */
	void createListenersGroup () {
	}

	/**
	 * Handle a dialog type combo selection event.
	 *
	 * @param event the selection event
	 */
	void dialogSelected (SelectionEvent event) {
	
		/* Enable/Disable the buttons */
		String name = dialogCombo.getText ();
		boolean isMessageBox = name.equals (ControlExample.getResourceString("MessageBox"));
		boolean isFileDialog = name.equals (ControlExample.getResourceString("FileDialog"));
		okButton.setEnabled (isMessageBox);
		cancelButton.setEnabled (isMessageBox);
		yesButton.setEnabled (isMessageBox);
		noButton.setEnabled (isMessageBox);
		retryButton.setEnabled (isMessageBox);
		abortButton.setEnabled (isMessageBox);
		ignoreButton.setEnabled (isMessageBox);
		iconErrorButton.setEnabled (isMessageBox);
		iconInformationButton.setEnabled (isMessageBox);
		iconQuestionButton.setEnabled (isMessageBox);
		iconWarningButton.setEnabled (isMessageBox);
		iconWorkingButton.setEnabled  (isMessageBox);
		saveButton.setEnabled (isFileDialog);
		openButton.setEnabled (isFileDialog);
		multiButton.setEnabled (isFileDialog);
	
		/* Unselect the buttons */
		if (!isMessageBox) {
			okButton.setSelection (false);
			cancelButton.setSelection (false);
			yesButton.setSelection (false);
			noButton.setSelection (false);
			retryButton.setSelection (false);
			abortButton.setSelection (false);
			ignoreButton.setSelection (false);
		}
	}
	
	/**
	 * Gets the "Example" widget children.
	 */
	Control [] getExampleWidgets () {
		return new Control [0];
	}
	
	/**
	 * Gets the text for the tab folder item.
	 */
	String getTabText () {
		return "Dialog";
	}
	
	/**
	 * Recreates the "Example" widgets.
	 */
	void recreateExampleWidgets () {
		if (textWidget == null) {
			super.recreateExampleWidgets ();
		} 
	}
}