Java 类org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants 实例源码

private static void gatherViewDependencies(IExtension extension, List<String> needs, List<String> provides) {
    IConfigurationElement[] elements = extension.getConfigurationElements();
    for (IConfigurationElement element : elements) {
        IConfigurationElement[] children = element.getChildren();
        for (IConfigurationElement child : children) {
            String type = child.getName();
            if (IWorkbenchRegistryConstants.TAG_VIEW.equals(type)) {
                String id = child.getAttribute(IWorkbenchRegistryConstants.ATT_ID);
                String relative = child.getAttribute(IWorkbenchRegistryConstants.ATT_RELATIVE);
                provides.add(id);
                if (relative != null) {
                    needs.add(relative);
                }
            }
        }
    }
}

private boolean readElement(final IConfigurationElement inElement) {
    if (inElement.getName()
            .equals(IWorkbenchRegistryConstants.TAG_CATEGORY)) {
        deferCategory(inElement);
        return true;
    } else if (inElement.getName()
            .equals(IWorkbenchRegistryConstants.TAG_PRIMARYWIZARD)) {
        if (deferPrimary == null) {
            deferPrimary = new HashSet<String>();
        }
        deferPrimary.add(
                inElement.getAttribute(IWorkbenchRegistryConstants.ATT_ID));
        return true;
    } else {
        if (!inElement.getName()
                .equals(IWorkbenchRegistryConstants.TAG_WIZARD)) {
            return false;
        }
        final WorkbenchWizardElement lWizard = createWizardElement(
                inElement);
        if (lWizard != null) {
            addNewElementToResult(lWizard, inElement);
        }
        return true;
    }
}

private WorkbenchWizardElement createWizardElement(
        final IConfigurationElement inElement) {
    // WizardElements must have a name attribute
    if (inElement
            .getAttribute(IWorkbenchRegistryConstants.ATT_NAME) == null) {
        logMissingAttribute(inElement,
                IWorkbenchRegistryConstants.ATT_NAME);
        return null;
    }

    if (getClassValue(inElement,
            IWorkbenchRegistryConstants.ATT_CLASS) == null) {
        logMissingAttribute(inElement,
                IWorkbenchRegistryConstants.ATT_CLASS);
        return null;
    }
    return new WorkbenchWizardElement(inElement, context);
}

private String getClassValue(final IConfigurationElement inConfigElement,
        final String inClassAttributeName) {
    final String outClassName = inConfigElement
            .getAttribute(inClassAttributeName);
    if (outClassName != null) {
        return outClassName;
    }
    final IConfigurationElement[] lCandidateChildren = inConfigElement
            .getChildren(inClassAttributeName);
    if (lCandidateChildren.length == 0) {
        return null;
    }

    return lCandidateChildren[0]
            .getAttribute(IWorkbenchRegistryConstants.ATT_CLASS);
}

private ConfigurationElementDescription createTemplateDescription(ProjectTemplate template) {
    List<ConfigurationElementAttribute> atts = new ArrayList<ConfigurationElementAttribute>();
    atts.add(new ConfigurationElementAttribute("class", ProjectTemplateWizard.class.getName()));
    atts.add(new ConfigurationElementAttribute("id", template.getId()));
    atts.add(new ConfigurationElementAttribute("name", template.getName()));
    atts.add(new ConfigurationElementAttribute("icon", template.getSmallIcon().getId()));
    atts.add(new ConfigurationElementAttribute("project", "true"));
    if (template.getGroup() != null) {
        atts.add(new ConfigurationElementAttribute("category", template.getGroup()));
    }

    ConfigurationElementAttribute[] attsArray = atts.toArray(new ConfigurationElementAttribute[atts.size()]);
    return new ConfigurationElementDescription(IWorkbenchRegistryConstants.TAG_WIZARD, attsArray, null, null);
}

@Override
public IPerspectiveFactory createFactory() {
    try {
        return (IPerspectiveFactory) getSimulationDescriptor().getConfigElement()
            .createExecutableExtension(IWorkbenchRegistryConstants.ATT_CLASS);
    } catch (final CoreException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
}

/**
 * Answer the icon of this element.
 */
@Override
public ImageDescriptor getImageDescriptor() {
    if (imageDescriptor == null) {
        final String iconName = configuration
                .getAttribute(IWorkbenchRegistryConstants.ATT_ICON);
        if (iconName == null) {
            return null;
        }
        imageDescriptor = AbstractUIPlugin.imageDescriptorFromPlugin(
                configuration.getNamespaceIdentifier(), iconName);
    }
    return imageDescriptor;
}

@Override
public ImageDescriptor getDescriptionImage() {
    if (descriptionImage == null) {
        final String descImage = configuration.getAttribute(
                IWorkbenchRegistryConstants.ATT_DESCRIPTION_IMAGE);
        if (descImage == null) {
            return null;
        }
        descriptionImage = AbstractUIPlugin.imageDescriptorFromPlugin(
                configuration.getNamespaceIdentifier(), descImage);
    }
    return descriptionImage;
}

@Override
public boolean canFinishEarly() {
    return Boolean
            .valueOf(configuration.getAttribute(
                    IWorkbenchRegistryConstants.ATT_CAN_FINISH_EARLY))
            .booleanValue();
}

@Override
public boolean hasPages() {
    final String hasPagesString = configuration
            .getAttribute(IWorkbenchRegistryConstants.ATT_HAS_PAGES);
    // default value is true
    if (hasPagesString == null) {
        return true;
    }
    return Boolean.valueOf(hasPagesString).booleanValue();
}

public void consolidateCategory(final WizardCollectionElement inWizards) {
    final WizardCollectionElement lCategory = inWizards
            .findCategory(configuration.getAttribute(
                    IWorkbenchRegistryConstants.ATT_CATEGORY));
    lCategory.add(this);
    setParent(lCategory);
}

private String getCategoryStringFor(final IConfigurationElement inConfig) {
    String outResult = inConfig
            .getAttribute(IWorkbenchRegistryConstants.TAG_CATEGORY);
    if (outResult == null) {
        outResult = UNCATEGORIZED_WIZARD_CATEGORY;
    }
    return outResult;
}

private void tabSelected(CTabItem item) {
    if (item.getData() instanceof IConfigurationElement) {
        final IConfigurationElement element = (IConfigurationElement) item
                .getData();

        Composite pageComposite = (Composite) item.getControl();
        try {
            final InstallationPage page = (InstallationPage) element
                    .createExecutableExtension(IWorkbenchRegistryConstants.ATT_CLASS);
            page.createControl(pageComposite);
            // new controls created since the dialog font was applied, so
            // apply again.
            Dialog.applyDialogFont(pageComposite);
            page.setPageContainer(this);
            // Must be done before creating the buttons because the control
            // button creation methods
            // use this map.
            pageToId.put(page, element
                    .getAttribute(IWorkbenchRegistryConstants.ATT_ID));
            createButtons(page);
            item.setData(page);
            item.addDisposeListener(new DisposeListener() {

                @Override
                public void widgetDisposed(DisposeEvent e) {
                    page.dispose();
                }
            });
            pageComposite.layout(true, true);

        } catch (CoreException e1) {
            Label label = new Label(pageComposite, SWT.NONE);
            label.setText(e1.getMessage());
            item.setData(null);
        }

    }
    String id = (String) item.getData(ID);
    rememberSelectedTab(id);
    buttonManager.update(id);
    Button button = createButton(buttonManager.getParent(),
            IDialogConstants.CLOSE_ID, IDialogConstants.CLOSE_LABEL, true);
    GridData gd = (GridData) button.getLayoutData();
    gd.horizontalAlignment = SWT.BEGINNING;
    gd.horizontalIndent = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH) / 2;
    // Layout the button bar's parent and all of its children.  We must
    // cascade through all children because the buttons have changed and
    // because tray dialog inserts an extra composite in the button bar
    // hierarchy.
    getButtonBar().getParent().layout(true, true);

}

private ConfigurationElementDescription createGroupDescription(ProjectTemplate template) {
    ConfigurationElementAttribute[] atts = new ConfigurationElementAttribute[2];
    atts[0] = new ConfigurationElementAttribute("id", template.getGroup());
    atts[1] = new ConfigurationElementAttribute("name", template.getGroup());
    return new ConfigurationElementDescription(IWorkbenchRegistryConstants.TAG_CATEGORY, atts, null, null);
}

@Override
public String getLabel(final Object inObject) {
    return configElement == null ? name
            : configElement
                    .getAttribute(IWorkbenchRegistryConstants.ATT_NAME);
}

@Override
public String getLabel(final Object inObject) {
    return getAttributeChecked(IWorkbenchRegistryConstants.ATT_NAME);
}

@Override
public String getHelpHref() {
    return configuration
            .getAttribute(IWorkbenchRegistryConstants.ATT_HELP_HREF);
}

/**
 * WizardCollectionElement constructor.
 *
 * @param inElement
 *            {@link IConfigurationElement}
 * @param inParent
 *            {@link WizardCollectionElement} the parent, may be
 *            <code>null</code>
 */
public WizardCollectionElement(final IConfigurationElement inElement,
        final WizardCollectionElement inParent) {
    configElement = inElement;
    id = configElement.getAttribute(IWorkbenchRegistryConstants.ATT_ID);
    parent = inParent;
}

/**
 * WorkbenchWizardElement constructor.
 *
 * @param inConfiguration
 *            {@link IConfigurationElement}
 * @param inContext
 *            {@link IEclipseContext}
 */
public WorkbenchWizardElement(final IConfigurationElement inConfiguration,
        final IEclipseContext inContext) {
    configuration = inConfiguration;
    context = inContext;
    id = configuration.getAttribute(IWorkbenchRegistryConstants.ATT_ID);
}

/**
 * Create an the instance of the object described by the configuration
 * element. That is, create the instance of the class the isv supplied in
 * the extension point.
 *
 * @return Object the new object
 * @throws CoreException
 */
public Object createExecutableExtension() throws CoreException {
    return createExtension(configuration,
            IWorkbenchRegistryConstants.ATT_CLASS);
}