Java tutorial
/******************************************************************************* * Copyright (c) 2011 Red Hat Inc. and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Red Hat Inc. - initial API and implementation *******************************************************************************/ package org.fedoraproject.eclipse.packager.local.internal.ui; import java.io.File; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.linuxtools.rpmstubby.InputType; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.fedoraproject.eclipse.packager.local.LocalFedoraPackagerText; import org.fedoraproject.eclipse.packager.local.LocalProjectType; import org.fedoraproject.eclipse.packager.api.FileDialogRunable; public class LocalFedoraPackagerPageThree extends WizardPage { private Button btnCheckStubby; private Button btnCheckSrpm; private Button btnCheckPlain; private Button btnSpecTemplate; private Button btnStubbyBrowse; private Button btnSrpmBrowse; private Button btnSpecPlainBrowse; private Label lblSrpm; private Label lblSpecPlain; private Text textStubby; private Text textSrpm; private Text textSpecPlain; private ComboViewer comboStubby; private InputType inputType; private LocalProjectType projectType; private File externalFile = null; private boolean pageCanFinish; /** * Create the wizard. */ public LocalFedoraPackagerPageThree(String pageName) { super(pageName); setTitle(LocalFedoraPackagerText.LocalFedoraPackagerWizardPage_title); setDescription(LocalFedoraPackagerText.LocalFedoraPackagerWizardPage_description); setImageDescriptor(ImageDescriptor.createFromFile(getClass(), LocalFedoraPackagerText.LocalFedoraPackagerWizardPage_image)); } /** * Create contents of the wizard. * * @param parent */ @Override public void createControl(Composite parent) { Composite container = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); container.setLayout(layout); layout.numColumns = 3; layout.verticalSpacing = 9; Group grpSpec = new Group(container, SWT.NONE); grpSpec.setLayout(new GridLayout(3, false)); GridData layoutData = new GridData(GridData.FILL_HORIZONTAL); grpSpec.setLayoutData(layoutData); grpSpec.setText(LocalFedoraPackagerText.LocalFedoraPackagerPageThree_grpSpec); btnCheckStubby = createRadioButton(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnCheckStubby); btnCheckStubby.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { projectType = LocalProjectType.STUBBY; selectControl(); } }); comboStubby = new ComboViewer(grpSpec, SWT.READ_ONLY); comboStubby.getControl().setLayoutData(layoutData); comboStubby.setContentProvider(ArrayContentProvider.getInstance()); comboStubby.setInput(InputType.values()); comboStubby.getCombo().select(0); layoutData = new GridData(); layoutData.horizontalIndent = 25; comboStubby.getCombo().setLayoutData(layoutData); textStubby = createText(grpSpec); btnStubbyBrowse = createPushButton(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnBrowse); btnStubbyBrowse.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { int comboIndex = comboStubby.getCombo().getSelectionIndex(); inputType = InputType.valueOf(comboStubby.getCombo().getItem(comboIndex)); String filter = null; switch (inputType) { case ECLIPSE_FEATURE: filter = InputType.ECLIPSE_FEATURE.getFileNamePattern(); break; case MAVEN_POM: filter = InputType.MAVEN_POM.getFileNamePattern(); break; } if (filter != null) { fileDialog(filter, textStubby); } if (textStubby.getText().length() != 0) { setPageStatus(true, true); } } }); btnCheckSrpm = createRadioButton(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnCheckSrpm); btnCheckSrpm.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { projectType = LocalProjectType.SRPM; selectControl(); } }); lblSrpm = createLabel(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_lblSrpm); textSrpm = createText(grpSpec); btnSrpmBrowse = createPushButton(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnBrowse); btnSrpmBrowse.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fileDialog("*.src.rpm", textSrpm); //$NON-NLS-1$ if (textSrpm.getText().length() != 0) { setPageStatus(true, true); } } }); btnCheckPlain = createRadioButton(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnCheckPlain); btnCheckPlain.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { projectType = LocalProjectType.PLAIN; selectControl(); btnSpecTemplate.setEnabled(true); setPageStatus(true, false); } }); btnSpecTemplate = new Button(grpSpec, SWT.CHECK); btnSpecTemplate.setText(LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnTemplateSpec); layoutData = new GridData(); layoutData.horizontalSpan = 3; layoutData.horizontalIndent = 25; btnSpecTemplate.setLayoutData(layoutData); btnSpecTemplate.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (btnSpecTemplate.getSelection()) { setPlainControl(false); setPageStatus(true, false); } else { setPlainControl(true); setPageStatus(false, false); } } }); lblSpecPlain = createLabel(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_lblSpecPlain); textSpecPlain = createText(grpSpec); btnSpecPlainBrowse = createPushButton(grpSpec, LocalFedoraPackagerText.LocalFedoraPackagerPageThree_btnBrowse); btnSpecPlainBrowse.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fileDialog("*.spec", textSpecPlain); //$NON-NLS-1$ if (textSpecPlain.getText().length() != 0) { setPageStatus(true, true); } } }); selectControl(); setPageStatus(false, false); setControl(container); } /** * Return created Text widget * * @param Group * @return Text */ private Text createText(Group grp) { Text text = new Text(grp, SWT.BORDER | SWT.SINGLE); GridData layoutData = new GridData(GridData.FILL_HORIZONTAL); text.setLayoutData(layoutData); return text; } /** * Return the created Label widget * * @param Group * @param String label's text * @return Button */ private Label createLabel(Group grp, String text) { Label label = new Label(grp, SWT.NONE); label.setText(text); GridData layoutData = new GridData(); layoutData.horizontalIndent = 25; label.setLayoutData(layoutData); return label; } /** * Return the created push button widget * * @param Group * @param String push button's text * @return Button */ private Button createPushButton(Group grp, String text) { Button button = new Button(grp, SWT.PUSH); button.setText(text); return button; } /** * Return the created radio button widget * * @param Group * @param String radio button's text * @return Button */ private Button createRadioButton(Group grp, String text) { Button button = new Button(grp, SWT.RADIO); button.setText(text); GridData layoutData = new GridData(); layoutData.horizontalSpan = 3; button.setLayoutData(layoutData); return button; } /** * Runs the filaDialog and sets the project type and externalFile to be * passed to project creator * * @param String * filter for the fileDialog * @param Text * text box for file location * @param String * type of the project that user selected */ private void fileDialog(String filter, Text text) { FileDialogRunable fdr = new FileDialogRunable(filter, NLS.bind(LocalFedoraPackagerText.LocalFedoraPackagerPageThree_fileDialog, filter)); getShell().getDisplay().syncExec(fdr); String filePath = fdr.getFile(); if (filePath != null) { text.setText(filePath); this.externalFile = new File(filePath); } } /** * Return the external file to the user's selected file * * @return File */ public File getExternalFile() { return externalFile; } /** * Return the type of the populated project * based on the user's selection * * @return LocalProjectType */ public LocalProjectType getProjectType() { return projectType; } /** * Returns the input type of the stubby_project * * @return InputType */ public InputType getInputType() { return inputType; } /** * Returns the button for later reference in main wizard * * @return Button */ public Button btnSpecTemplate() { return btnSpecTemplate; } /** * If Finish button can be enabled, return true * * @return pageCanFinish */ public boolean pageCanFinish() { return pageCanFinish; } /** * Sets the status of page * * @param pageIsComplete * next or finish can be enabled * @param pageCanFinish * finish can be enabled */ private void setPageStatus(boolean pageIsComplete, boolean pageCanFinish) { this.pageCanFinish = pageCanFinish; setPageComplete(pageIsComplete); } /** * Sets the enabled properties based on the selected button */ protected void selectControl() { setPageStatus(false, false); btnSpecTemplate.setSelection(true); btnSpecTemplate.setEnabled(false); if (btnCheckStubby.getSelection()) { setStubbyControl(true); setSrpmControl(false); setPlainControl(false); } else if (btnCheckSrpm.getSelection()) { setStubbyControl(false); setSrpmControl(true); setPlainControl(false); } else if (btnCheckPlain.getSelection()) { btnSpecTemplate.setEnabled(true); setStubbyControl(false); setSrpmControl(false); setPlainControl(false); } else { setStubbyControl(false); setSrpmControl(false); setPlainControl(false); } } private void setStubbyControl(boolean bool) { comboStubby.getCombo().setEnabled(bool); textStubby.setEnabled(bool); btnStubbyBrowse.setEnabled(bool); } private void setSrpmControl(boolean bool) { lblSrpm.setEnabled(bool); textSrpm.setEnabled(bool); btnSrpmBrowse.setEnabled(bool); textStubby.setText(""); textSrpm.setText(""); } private void setPlainControl(boolean bool) { lblSpecPlain.setEnabled(bool); textSpecPlain.setEnabled(bool); btnSpecPlainBrowse.setEnabled(bool); textSpecPlain.setText(""); } }