Examples with URLPath org.csstudio.opibuilder.persistence.URLPath used on opensource projects

Example 1 with URLPath

use of org.csstudio.opibuilder.persistence.URLPath in project yamcs-studio by yamcs.

the class FilePathDialogWithFilter method createDialogArea.

/**
 * {@inheritDoc}
 */
@Override
protected Control createDialogArea(final Composite parent) {
    Composite composite = (Composite) super.createDialogArea(parent);
    composite.setLayout(new GridLayout(1, false));
    if (message != null) {
        Label label = new Label(composite, SWT.WRAP);
        label.setText(message);
        GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
        data.horizontalSpan = 2;
        data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
        label.setLayoutData(data);
    }
    // The New Project and New Folder actions will be shown if there are
    // no file extensions, i.e. if the dialog is opened to select a folder.
    boolean showNewContainerActions = (filters == null || filters.length == 0);
    resourceSelectionGroup = new ResourceSelectionGroup(composite, this, filters, showNewContainerActions);
    Group wrapper = new Group(composite, SWT.NONE);
    wrapper.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    GridLayout gridLayout = new GridLayout(2, false);
    wrapper.setLayout(gridLayout);
    Label text = new Label(wrapper, SWT.NONE);
    text.setText("Resource Path:");
    // Image overview
    imgOverview = new Label(wrapper, SWT.NONE);
    GridData gridData = new GridData();
    gridData.widthHint = MAX_ICON_WIDTH;
    gridData.verticalSpan = 4;
    gridData.verticalAlignment = GridData.VERTICAL_ALIGN_CENTER;
    gridData.grabExcessVerticalSpace = false;
    gridData.horizontalAlignment = GridData.HORIZONTAL_ALIGN_CENTER;
    gridData.grabExcessHorizontalSpace = false;
    imgOverview.setLayoutData(gridData);
    resourcePathText = new Text(wrapper, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
    resourcePathText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    if (path != null && !path.isEmpty()) {
        resourcePathText.setText(path.toString());
        if (!(path instanceof URLPath)) {
            if (relative) {
                resourceSelectionGroup.setSelectedResource(refPath.append(path));
            } else {
                resourceSelectionGroup.setSelectedResource(path);
            }
        }
    }
    // the check box for relative path
    final Button checkBox = new Button(wrapper, SWT.CHECK);
    checkBox.setSelection(relative);
    checkBox.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    checkBox.setText("Return relative path");
    checkBox.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            relative = checkBox.getSelection();
            if (relative && path != null) {
                resourcePathText.setText(ResourceUtil.buildRelativePath(refPath, path).toString());
            } else {
                resourcePathText.setText(path.toString());
            }
        }
    });
    // the check box for name filter
    final Button filterCheckBox = new Button(wrapper, SWT.CHECK);
    filterCheckBox.setSelection(filtered);
    filterCheckBox.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    filterCheckBox.setText("Filter file name with PV name");
    filterCheckBox.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            filtered = filterCheckBox.getSelection();
            if (filtered) {
                resourceSelectionGroup.refreshTreeWithFilter(filters);
            } else {
                resourceSelectionGroup.refreshTreeWithFilter(IMAGE_EXTENSIONS);
            }
        }
    });
    return composite;
}

Example 2 with URLPath

use of org.csstudio.opibuilder.persistence.URLPath in project yamcs-studio by yamcs.

the class RelativePathSelectionDialog method createDialogArea.

/**
 * {@inheritDoc}
 */
@Override
protected Control createDialogArea(final Composite parent) {
    Composite composite = (Composite) super.createDialogArea(parent);
    composite.setLayout(new GridLayout(1, false));
    if (_message != null) {
        Label label = new Label(composite, SWT.WRAP);
        label.setText(_message);
        GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
        data.horizontalSpan = 2;
        data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
        label.setLayoutData(data);
    }
    // The New Project and New Folder actions will be shown if there are
    // no file extensions, i.e. if the dialog is opened to select a folder.
    boolean showNewContainerActions = (_fileExtensions == null || _fileExtensions.length == 0);
    _resourceSelectionGroup = new ResourceSelectionGroup(composite, this, _fileExtensions, showNewContainerActions);
    new Label(composite, SWT.NONE).setText("Resource Path:");
    _resourcePathText = new Text(composite, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
    _resourcePathText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    if (_path != null && !_path.isEmpty()) {
        _resourcePathText.setText(_path.toString());
        if (!(_path instanceof URLPath)) {
            if (relative)
                _resourceSelectionGroup.setSelectedResource(refPath.append(_path));
            else
                _resourceSelectionGroup.setSelectedResource(_path);
        }
    }
    // the check box for relative path
    final Button checkBox = new Button(composite, SWT.CHECK);
    checkBox.setSelection(relative);
    checkBox.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    checkBox.setText("Return relative path");
    checkBox.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            relative = checkBox.getSelection();
            if (relative)
                _resourcePathText.setText(ResourceUtil.buildRelativePath(refPath, _path).toString());
            else
                _resourcePathText.setText(_path.toString());
        }
    });
    return composite;
}

Example 3 with URLPath

use of org.csstudio.opibuilder.persistence.URLPath in project yamcs-studio by yamcs.

the class ResourceUtil method openURLStream.

private static InputStream openURLStream(final URL url) throws IOException {
    File tempFilePath = URL_CACHE.getValue(url);
    if (tempFilePath != null) {
        OPIBuilderPlugin.getLogger().log(Level.FINE, "Found cached file for URL '" + url + "'");
        return new FileInputStream(tempFilePath);
    } else {
        InputStream inputStream = openRawURLStream(url);
        if (inputStream != null) {
            try {
                IPath urlPath = new URLPath(url.toString());
                // createTempFile(), at least with jdk1.7.0_45,
                // requires at least 3 chars for the 'prefix', so add "opicache"
                // to assert a minimum length
                final String cache_file_prefix = "opicache" + urlPath.removeFileExtension().lastSegment();
                final String cache_file_suffix = "." + urlPath.getFileExtension();
                final File file = File.createTempFile(cache_file_prefix, cache_file_suffix);
                file.deleteOnExit();
                if (!file.canWrite())
                    throw new Exception("Unable to write temporary file.");
                FileOutputStream outputStream = new FileOutputStream(file);
                byte[] buffer = new byte[1024];
                int bytesRead;
                while ((bytesRead = inputStream.read(buffer)) != -1) {
                    outputStream.write(buffer, 0, bytesRead);
                }
                outputStream.close();
                URL_CACHE.remember(url, file);
                inputStream.close();
                ExecutionService.getInstance().getScheduledExecutorService().schedule(new Runnable() {

                    @Override
                    public void run() {
                        file.delete();
                    }
                }, CACHE_TIMEOUT_SECONDS * 2, TimeUnit.SECONDS);
                return new FileInputStream(file);
            } catch (Exception e) {
                OPIBuilderPlugin.getLogger().log(Level.WARNING, "Error to cache file from URL '" + url + "'", e);
            }
        }
        return inputStream;
    }
}

Example 4 with URLPath

use of org.csstudio.opibuilder.persistence.URLPath in project yamcs-studio by yamcs.

the class RunnerInputFactory method createInput.

public static IAdaptable createInput(IMemento memento) {
    // Get the file name.
    String pathString = memento.getString(TAG_PATH);
    if (pathString == null) {
        return null;
    }
    // Get a handle to the IFile...which can be a handle
    // to a resource that does not exist in workspace
    IPath path;
    if (ResourceUtil.isURL(pathString))
        path = new URLPath(pathString);
    else
        path = new Path(pathString);
    MacrosInput macrosInput = null;
    String macroString = memento.getString(TAG_MACRO);
    if (macroString != null)
        try {
            macrosInput = MacrosInput.recoverFromString(macroString);
        } catch (Exception e) {
            OPIBuilderPlugin.getLogger().log(Level.WARNING, "Failed to recover macro", // $NON-NLS-1$
            e);
        }
    return new RunnerInput(path, null, macrosInput);
}