CherryPickCommitPage.java

package com.proalpha.pds.gitutils.cherrypick;
 
import java.net.URL;
import java.text.DateFormat;
import java.util.Collections;
import java.util.List;
 
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.TreeViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
 
import com.proalpha.pds.gitutils.Activator;
 
public class CherryPickCommitPage extends WizardPage {
 
    List<RevCommit> commitsfound;
    TreeViewer treeViewer;
 
    public CherryPickCommitPage() {
        super(CherryPickCommitPage.class.getName());
        setTitle("proALPHA CherryPick");
        setMessage("The following commits get picked into your Repository", INFORMATION);
        URL url = FileLocator.find(Platform.getBundle(Activator.PLUGIN_ID), new Path("icons/pA-logox72.png"),
                Collections.emptyMap());
 
        setImageDescriptor(ImageDescriptor.createFromURL(url));
        setDescription("Wizard Page description");
 
    }
 
    public void setCommitsfound(List<RevCommit> commitsfound) {
        this.commitsfound = commitsfound;
        treeViewer.setInput(commitsfound);
        treeViewer.refresh();
    }
 
    public void createControl(Composite parent) {
        Composite container = new Composite(parent, SWT.NONE);
 
        setControl(container);
 
        treeViewer = new TreeViewer(container, SWT.BORDER);
        Tree tree = treeViewer.getTree();
        tree.setBounds(0, 0, 574, 334);
        tree.setHeaderVisible(true);
 
        TreeViewerColumn treeViewerColumn_2 = new TreeViewerColumn(treeViewer, SWT.NONE);
        TreeColumn trclmnNewColumn_2 = treeViewerColumn_2.getColumn();
        trclmnNewColumn_2.setWidth(80);
        trclmnNewColumn_2.setText("CommitID");
        trclmnNewColumn_2.setAlignment(SWT.LEFT);
        treeViewerColumn_2.setLabelProvider(new DelegatingStyledCellLabelProvider(new NameLabelProvider()));
 
        TreeViewerColumn treeViewerColumn_1 = new TreeViewerColumn(treeViewer, SWT.NONE);
        TreeColumn trclmnNewColumn_1 = treeViewerColumn_1.getColumn();
        trclmnNewColumn_1.setWidth(300);
        trclmnNewColumn_1.setText("Message");
        trclmnNewColumn_1.setAlignment(SWT.LEFT);
        treeViewerColumn_1.setLabelProvider(new DelegatingStyledCellLabelProvider(new MessageLabelProvider()));
 
        TreeViewerColumn treeViewerColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
        TreeColumn trclmnNewColumn = treeViewerColumn.getColumn();
        trclmnNewColumn.setWidth(100);
        trclmnNewColumn.setText("Author");
        trclmnNewColumn.setAlignment(SWT.LEFT);
        treeViewerColumn.setLabelProvider(new DelegatingStyledCellLabelProvider(new AuthorLabelProvider()));
 
        TreeViewerColumn dateColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
        TreeColumn trclmnDateColumn = dateColumn.getColumn();
        trclmnDateColumn.setWidth(70);
        trclmnDateColumn.setText("Date");
        trclmnDateColumn.setAlignment(SWT.LEFT);
        dateColumn.setLabelProvider(new DelegatingStyledCellLabelProvider(new DateLabelProvider()));
 
        treeViewer.setContentProvider(new CommitProvider());
        treeViewer.setInput(commitsfound);
 
        treeViewer.getTree().setHeaderVisible(true);
        treeViewer.getTree().setLinesVisible(true);
        setPageComplete(true);
    }
 
    public class CommitProvider implements ITreeContentProvider {
 
        public void inputChanged(Viewer v, Object oldInput, Object newInput) {
        }
 
        @Override
        public void dispose() {
        }
 
        @Override
        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof List) {
                return ((List<?>) inputElement).toArray();
            }
            return new Object[0];
        }
 
        @Override
        public Object[] getChildren(Object parentElement) {
            return null;
        }
 
        @Override
        public Object getParent(Object element) {
            return null;
        }
 
        @Override
        public boolean hasChildren(Object element) {
            return false;
        }
 
    }
 
    class NameLabelProvider extends LabelProvider implements IStyledLabelProvider {
 
        @Override
        public StyledString getStyledText(Object element) {
            if (element instanceof RevCommit) {
                RevCommit commit = (RevCommit) element;
                return new StyledString(commit.getName().substring(0, 8));
            }
            return null;
        }
 
    }
 
    class MessageLabelProvider extends LabelProvider implements IStyledLabelProvider {
 
        @Override
        public StyledString getStyledText(Object element) {
            if (element instanceof RevCommit) {
                RevCommit commit = (RevCommit) element;
                return new StyledString(commit.getFullMessage().replace("\n", " "));
            }
            return null;
        }
 
    }
 
    class AuthorLabelProvider extends LabelProvider implements IStyledLabelProvider {
 
        @Override
        public StyledString getStyledText(Object element) {
            if (element instanceof RevCommit) {
                RevCommit commit = (RevCommit) element;
                return new StyledString(commit.getAuthorIdent().getName());
            }
            return null;
        }
 
    }
 
    class DateLabelProvider extends LabelProvider implements IStyledLabelProvider {
 
        private DateFormat dateLabelFormat;
 
        public DateLabelProvider() {
            dateLabelFormat = DateFormat.getDateInstance();
        }
 
        @Override
        public StyledString getStyledText(Object element) {
            if (element instanceof RevCommit) {
                RevCommit commit = (RevCommit) element;
                return new StyledString(dateLabelFormat.format(commit.getCommitterIdent().getWhen()));
            }
            return null;
        }
 
    }
 
}