/** @return All the currently checked projects in the projectsList tree */
public Set<ProjectRecord> getCheckedProjects() {
HashSet<ProjectRecord> ret = new HashSet<ProjectRecord>();
for (Object selected : projectsList.getCheckedElements()) ret.add((ProjectRecord) selected);
return ret;
}
/**
* Update the list of projects based on path. This will not check any projects.
*
* @param path
*/
void setProjectsList(final String path) {
// on an empty path empty selectedProjects
if (path == null || path.length() == 0) {
selectedProjects = new ProjectRecord[0];
projectsList.refresh(true);
checkPageComplete();
lastPath = path;
setErrorMessage(UIText.GitProjectsImportPage_NoProjectsMessage);
return;
}
final File directory = new File(path);
long modified = directory.lastModified();
if (path.equals(lastPath) && lastModified == modified) {
// since the file/folder was not modified and the path did not
// change, no refreshing is required
return;
}
setErrorMessage(null);
lastPath = path;
lastModified = modified;
try {
getContainer()
.run(
true,
true,
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
monitor.beginTask(UIText.WizardProjectsImportPage_SearchingMessage, 100);
selectedProjects = new ProjectRecord[0];
Collection<File> files = new ArrayList<File>();
monitor.worked(10);
if (directory.isDirectory()) {
if (!collectProjectFilesFromDirectory(files, directory, null, monitor)) {
return;
}
Iterator<File> filesIterator = files.iterator();
selectedProjects = new ProjectRecord[files.size()];
int index = 0;
monitor.worked(50);
monitor.subTask(UIText.WizardProjectsImportPage_ProcessingMessage);
while (filesIterator.hasNext()) {
File file = filesIterator.next();
selectedProjects[index] = new ProjectRecord(file);
index++;
}
if (files.isEmpty())
// run in UI thread
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
setErrorMessage(UIText.GitProjectsImportPage_NoProjectsMessage);
}
});
} else {
monitor.worked(60);
}
monitor.done();
}
});
} catch (InvocationTargetException e) {
Activator.logError(e.getMessage(), e);
} catch (InterruptedException e) {
// Nothing to do if the user interrupts.
}
projectsList.refresh(true);
if (getValidProjects().length < selectedProjects.length) {
setMessage(UIText.WizardProjectsImportPage_projectsInWorkspace, WARNING);
} else {
setMessage(UIText.WizardProjectsImportPage_ImportProjectsDescription);
}
enableSelectAllButtons();
checkPageComplete();
}
private void enableSelectAllButtons() {
int itemCount = getValidProjects().length;
int selectionCount = projectsList.getCheckedLeafCount();
selectAll.setEnabled(itemCount > selectionCount && itemCount > 0);
deselectAll.setEnabled(selectionCount > 0);
}
/**
* Create the checkbox list for the found projects.
*
* @param workArea
*/
private void createProjectsList(Composite workArea) {
Label title = new Label(workArea, SWT.NONE);
title.setText(UIText.WizardProjectsImportPage_ProjectsListTitle);
Composite listComposite = new Composite(workArea, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.marginWidth = 0;
layout.makeColumnsEqualWidth = false;
listComposite.setLayout(layout);
listComposite.setLayoutData(
new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH));
PatternFilter filter =
new PatternFilter() {
@Override
public boolean isElementVisible(Viewer viewer, Object element) {
if (getCheckedProjects().contains(element)) return true;
return super.isElementVisible(viewer, element);
}
};
FilteredCheckboxTree filteredTree =
new FilteredCheckboxTree(listComposite, null, SWT.NONE, filter);
filteredTree.setInitialText(UIText.WizardProjectsImportPage_filterText);
projectsList = filteredTree.getCheckboxTreeViewer();
GridData listData =
new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
projectsList.getControl().setLayoutData(listData);
projectsList.addCheckStateListener(
new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
ProjectRecord element = (ProjectRecord) event.getElement();
if (isProjectInWorkspace(element.getProjectName())) {
projectsList.setChecked(element, false);
}
enableSelectAllButtons();
}
});
// a bug in the CachedCheckboxTreeView requires us to not return null
final Object[] children = new Object[0];
projectsList.setContentProvider(
new ITreeContentProvider() {
public Object[] getChildren(Object parentElement) {
return children;
}
public Object[] getElements(Object inputElement) {
return selectedProjects;
}
public boolean hasChildren(Object element) {
return false;
}
public Object getParent(Object element) {
return null;
}
public void dispose() {
// ignore
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// ignore
}
});
projectsList
.getTree()
.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
checkPageComplete();
}
});
projectsList.setLabelProvider(new ProjectLabelProvider());
projectsList.setInput(this);
projectsList.setComparator(new ViewerComparator());
createSelectionButtons(listComposite);
}