package org.bndtools.core.resolve.ui;
import java.util.List;
import java.util.Map.Entry;
import org.bndtools.core.ui.resource.R5LabelFormatter;
import org.bndtools.utils.jface.ImageCachingLabelProvider;
import org.bndtools.utils.resources.ResourceUtils;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
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.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.osgi.resource.Capability;
import org.osgi.resource.Namespace;
import org.osgi.resource.Requirement;
import org.osgi.resource.Resource;
import bndtools.Plugin;
import bndtools.UIConstants;
public class ResolutionChoiceSelectionDialog extends TitleAreaDialog {
private final Requirement requirement;
private final List<Capability> candidates;
private CheckboxTableViewer viewer;
private Button btnUp;
private Button btnDown;
private Button btnSavePreference;
private StyledText txtSavePreference;
public ResolutionChoiceSelectionDialog(Shell shell, Requirement requirement, List<Capability> candidates) {
super(shell);
this.requirement = requirement;
this.candidates = candidates;
}
@SuppressWarnings("unused")
@Override
protected Control createDialogArea(Composite parent) {
setTitle("Multiple Provider Candidates");
setMessage("Use the candidate list to specify your preferences. Candidates at the top of the list will be preferred by the resolver.");
// Create controls
Composite outer = (Composite) super.createDialogArea(parent);
Composite contents = new Composite(outer, SWT.NONE);
Label lblRequirement = new Label(contents, SWT.NONE);
lblRequirement.setText("Requirement Info");
lblRequirement.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT));
StyledText txtRequirement = new StyledText(contents, SWT.WRAP | SWT.BORDER);
txtRequirement.setEditable(false);
txtRequirement.setCaret(null);
// txtRequirement.setBackground(contents.getBackground());
txtRequirement.setCursor(parent.getDisplay().getSystemCursor(SWT.CURSOR_ARROW));
new Label(contents, SWT.NONE);
Label lblCandidates = new Label(contents, SWT.NONE);
lblCandidates.setText("Candidates");
lblCandidates.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT));
Composite lowerPanel = new Composite(contents, SWT.NONE);
Table tbl = new Table(lowerPanel, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
viewer = new CheckboxTableViewer(tbl);
viewer.setContentProvider(ArrayContentProvider.getInstance());
viewer.setLabelProvider(new CapabilityResourceLabelProvider());
btnUp = new Button(lowerPanel, SWT.PUSH);
btnUp.setText("Move Up");
btnUp.setEnabled(false);
btnDown = new Button(lowerPanel, SWT.PUSH);
btnDown.setText("Move Down");
btnDown.setEnabled(false);
Composite cmpPreferences = new Composite(contents, SWT.NONE);
btnSavePreference = new Button(cmpPreferences, SWT.CHECK | SWT.WRAP);
txtSavePreference = new StyledText(cmpPreferences, SWT.WRAP);
txtSavePreference.setEditable(false);
txtSavePreference.setCaret(null);
txtSavePreference.setBackground(contents.getBackground());
txtSavePreference.setCursor(parent.getDisplay().getSystemCursor(SWT.CURSOR_ARROW));
// Events
txtSavePreference.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
btnSavePreference.setSelection(!btnSavePreference.getSelection());
}
});
// Load data
StyledString label = createRequirementText();
txtRequirement.setText(label.getString());
txtRequirement.setStyleRanges(label.getStyleRanges());
viewer.setInput(candidates);
updateSavePreferenceText();
// Layout
GridLayout layout;
GridData gd;
gd = new GridData(SWT.FILL, SWT.FILL, true, true);
contents.setLayoutData(gd);
layout = new GridLayout(1, false);
contents.setLayout(layout);
gd = new GridData(SWT.FILL, SWT.NONE, true, false);
gd.horizontalIndent = 5;
txtRequirement.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.NONE, true, false);
gd = new GridData(SWT.FILL, SWT.FILL, true, true);
lowerPanel.setLayoutData(gd);
layout = new GridLayout(2, false);
layout.marginHeight = 0;
layout.marginWidth = 0;
lowerPanel.setLayout(layout);
gd = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 3);
gd.widthHint = 450;
gd.heightHint = 250;
tbl.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.NONE, false, false);
btnUp.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.NONE, false, false);
btnDown.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.NONE, true, false);
cmpPreferences.setLayoutData(gd);
layout = new GridLayout(2, false);
layout.marginHeight = 0;
layout.marginWidth = 0;
cmpPreferences.setLayout(layout);
gd = new GridData(SWT.LEFT, SWT.CENTER, false, false);
btnSavePreference.setLayoutData(gd);
gd = new GridData(SWT.FILL, SWT.CENTER, true, false);
txtSavePreference.setLayoutData(gd);
return contents;
}
private void updateSavePreferenceText() {
Resource resource = candidates.get(0).getResource();
Capability identity = ResourceUtils.getIdentityCapability(resource);
String name = ResourceUtils.getIdentity(identity);
StyledString label = new StyledString("Save top candidate (");
label.append(name, UIConstants.BOLD_STYLER);
label.append(") as a ");
label.append("preferred resource.", UIConstants.ITALIC_STYLER);
txtSavePreference.setText(label.getString());
txtSavePreference.setStyleRanges(label.getStyleRanges());
}
protected StyledString createRequirementText() {
StyledString label = new StyledString();
label.append("Namespace: ");
label.append(requirement.getNamespace() + "\n", UIConstants.BOLD_STYLER);
label.append("Filter: ");
R5LabelFormatter.appendRequirementLabel(label, requirement);
label.append("\n");
for (Entry<String,String> entry : requirement.getDirectives().entrySet()) {
String key = entry.getKey();
if (!Namespace.REQUIREMENT_FILTER_DIRECTIVE.equals(key) && !Namespace.REQUIREMENT_RESOLUTION_DIRECTIVE.equals(key))
label.append(" " + key + ":=" + entry.getValue() + "\n");
}
if (Namespace.RESOLUTION_OPTIONAL.equals(requirement.getDirectives().get(Namespace.REQUIREMENT_RESOLUTION_DIRECTIVE)))
label.append("Optionally ", UIConstants.ITALIC_STYLER);
label.append("Required by Resource: ");
R5LabelFormatter.appendResourceLabel(label, requirement.getResource());
return label;
}
@Override
protected void createButtonsForButtonBar(Composite parent) {
createButton(parent, IDialogConstants.OK_ID, IDialogConstants.NEXT_LABEL, true);
createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
}
private static class CapabilityResourceLabelProvider extends ImageCachingLabelProvider {
public CapabilityResourceLabelProvider() {
super(Plugin.PLUGIN_ID);
}
@Override
public void update(ViewerCell cell) {
Capability capability = (Capability) cell.getElement();
StyledString label = new StyledString();
R5LabelFormatter.appendResourceLabel(label, capability.getResource());
label.append(" (provides ", StyledString.QUALIFIER_STYLER);
R5LabelFormatter.appendCapability(label, capability);
label.append(")", StyledString.QUALIFIER_STYLER);
cell.setText(label.getString());
cell.setStyleRanges(label.getStyleRanges());
}
}
}