| /******************************************************************************* |
| * Copyright (c) 2005, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.compare.internal.patch; |
| |
| import org.eclipse.compare.internal.ICompareContextIds; |
| import org.eclipse.compare.internal.Utilities; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.wizard.IWizardPage; |
| import org.eclipse.jface.wizard.WizardPage; |
| import org.eclipse.swt.SWT; |
| 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.Text; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.model.WorkbenchContentProvider; |
| import org.eclipse.ui.model.WorkbenchLabelProvider; |
| import org.eclipse.ui.views.navigator.ResourceComparator; |
| |
| import com.ibm.icu.text.MessageFormat; |
| |
| /*** |
| * This page only shows up if the user is trying to apply |
| * a non-workspace rooted patch. |
| */ |
| public class PatchTargetPage extends WizardPage { |
| |
| private boolean fShowError = false; |
| |
| // SWT widgets |
| private TreeViewer fPatchTargets; |
| private Button useWorkspaceAsTarget; |
| private Button selectTarget; |
| |
| protected WorkspacePatcher fPatcher; |
| |
| protected final static String PATCHTARGETPAGE_NAME = "PatchTargetPage"; //$NON-NLS-1$ |
| |
| public PatchTargetPage(WorkspacePatcher patcher) { |
| super(PATCHTARGETPAGE_NAME, PatchMessages.PatchTargetPage_title, null); |
| setMessage(PatchMessages.PatchTargetPage_message); |
| fPatcher = patcher; |
| } |
| |
| /* |
| * Get a path from the supplied text widget. |
| * @return org.eclipse.core.runtime.IPath |
| */ |
| protected IPath getPathFromText(Text textField) { |
| return (new Path(textField.getText())).makeAbsolute(); |
| } |
| |
| @Override |
| public void createControl(Composite parent) { |
| |
| Composite composite = new Composite(parent, SWT.NULL); |
| composite.setLayout(new GridLayout()); |
| composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL)); |
| setControl(composite); |
| |
| useWorkspaceAsTarget = createRadioButton(composite, PatchMessages.PatchTargetPage_0, 1); |
| selectTarget = createRadioButton(composite, PatchMessages.InputPatchPage_SelectInput, 1); |
| |
| buildInputGroup(composite); |
| |
| updateWidgetEnablements(); |
| |
| Dialog.applyDialogFont(composite); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, ICompareContextIds.PATCH_INPUT_WIZARD_PAGE); |
| |
| useWorkspaceAsTarget.addListener(SWT.Selection, event -> { |
| fShowError = true; |
| if (useWorkspaceAsTarget.getSelection()) { |
| fPatchTargets.getTree().setEnabled(false); |
| fPatcher.setTarget(ResourcesPlugin.getWorkspace().getRoot()); |
| } else { |
| fPatchTargets.getTree().setEnabled(true); |
| fPatcher.setTarget(Utilities.getFirstResource(fPatchTargets.getSelection())); |
| } |
| markPreviewPageToRecalucateIfNonWorkspacePatch(); |
| updateWidgetEnablements(); |
| }); |
| } |
| |
| private void markPreviewPageToRecalucateIfNonWorkspacePatch() { |
| if (!fPatcher.isWorkspacePatch()) { |
| PreviewPatchPage2 previewPage = (PreviewPatchPage2) getWizard() |
| .getPage(PreviewPatchPage2.PREVIEWPATCHPAGE_NAME); |
| previewPage.pageRecalculate = true; |
| } |
| } |
| |
| private Button createRadioButton(Composite parent, String label, int span) { |
| Button button = new Button(parent, SWT.RADIO); |
| button.setText(label); |
| GridData data = new GridData(); |
| data.horizontalSpan = span; |
| button.setLayoutData(data); |
| return button; |
| } |
| |
| @Override |
| public IWizardPage getNextPage() { |
| |
| // if selected target is file ensure that patch file |
| // contains only a patch for a single file |
| if (!fPatcher.isWorkspacePatch() && fPatcher.getTarget() instanceof IFile && fPatcher.getDiffs().length > 1) { |
| InputPatchPage inputPage = (InputPatchPage) getWizard().getPage(InputPatchPage.INPUTPATCHPAGE_NAME); |
| String source = ""; //$NON-NLS-1$ |
| switch (inputPage.getInputMethod()) { |
| case InputPatchPage.CLIPBOARD : |
| source = PatchMessages.InputPatchPage_Clipboard_title; |
| break; |
| |
| case InputPatchPage.FILE : |
| source = PatchMessages.InputPatchPage_PatchFile_title; |
| break; |
| |
| case InputPatchPage.WORKSPACE : |
| source = PatchMessages.InputPatchPage_WorkspacePatch_title; |
| break; |
| } |
| String format = PatchMessages.InputPatchPage_SingleFileError_format; |
| String message = MessageFormat.format(format, source); |
| MessageDialog.openInformation(null, PatchMessages.InputPatchPage_PatchErrorDialog_title, message); |
| return this; |
| } |
| |
| return super.getNextPage(); |
| } |
| |
| @Override |
| public boolean canFlipToNextPage() { |
| // we can't call getNextPage to determine if flipping is allowed since computing |
| // the next page is quite expensive. So we say yes if the page is complete. |
| return isPageComplete(); |
| } |
| |
| private void buildInputGroup(Composite parent) { |
| Tree tree = new Tree(parent, SWT.BORDER); |
| GridData gd = new GridData(GridData.FILL_BOTH); |
| gd.heightHint = 200; |
| tree.setLayoutData(gd); |
| |
| fPatchTargets = new TreeViewer(tree); |
| fPatchTargets.setLabelProvider(new WorkbenchLabelProvider()); |
| fPatchTargets.setContentProvider(new WorkbenchContentProvider()); |
| fPatchTargets.setComparator(new ResourceComparator(ResourceComparator.NAME)); |
| fPatchTargets.setInput(ResourcesPlugin.getWorkspace().getRoot()); |
| |
| IResource target = fPatcher.getTarget(); |
| if (target != null && !(target instanceof IWorkspaceRoot)) { |
| fPatchTargets.expandToLevel(target, 0); |
| fPatchTargets.setSelection(new StructuredSelection(target)); |
| } |
| |
| // register listeners |
| fPatchTargets.addSelectionChangedListener(event -> { |
| fShowError = true; |
| fPatcher.setTarget(Utilities.getFirstResource(event.getSelection())); |
| updateWidgetEnablements(); |
| }); |
| |
| fPatchTargets.addDoubleClickListener(event -> ((PatchWizard)getWizard()).showPage(getNextPage())); |
| } |
| |
| /** |
| * Updates the enable state of this page's controls. |
| */ |
| private void updateWidgetEnablements() { |
| String error = null; |
| |
| if (fPatcher.getTarget() == null) { |
| useWorkspaceAsTarget.setSelection(false); |
| selectTarget.setSelection(true); |
| error = PatchMessages.InputPatchPage_NothingSelected_message; |
| setPageComplete(false); |
| if (fShowError) |
| setErrorMessage(error); |
| return; |
| } |
| setErrorMessage(null); |
| useWorkspaceAsTarget.setSelection(fPatcher.getTarget() instanceof IWorkspaceRoot); |
| selectTarget.setSelection(!useWorkspaceAsTarget.getSelection()); |
| setPageComplete(true); |
| } |
| |
| /** |
| * The Finish button was pressed. Try to do the required work now and answer |
| * a boolean indicating success. If false is returned then the wizard will |
| * not close. |
| * |
| * @return boolean |
| */ |
| public boolean finish() { |
| return true; |
| } |
| |
| } |