Example usage for org.springframework.ide.eclipse.boot.wizard.content ContentType getDisplayName

Introduction

In this page you can find the example usage for org.springframework.ide.eclipse.boot.wizard.content ContentType getDisplayName.

Prototype

public String getDisplayName() 

Source Link

Usage

From source file:org.springframework.ide.eclipse.boot.wizard.guides.ChooseTypedContentSection.java

@Override
public void createContents(Composite page) {

    // PT 130652465 - Avoid downloading content (i.e. network I/O) in the UI thread.
    // Solution: downloading/prefetch content in the background to avoid blocking the UI in case
    // it takes a long time.
    prefetchProvidersAndContent();//from  w  ww. java 2 s.  c o  m

    Composite field = new Composite(page, SWT.NONE);
    int cols = sectionLabel == null ? 1 : 2;
    GridLayout layout = GridLayoutFactory.fillDefaults().numColumns(cols).create();
    field.setLayout(layout);

    searchBox = new Text(field, SWT.SINGLE | SWT.BORDER | SWT.SEARCH | SWT.ICON_CANCEL);
    searchBox.setMessage("Type pattern to match");

    Label fieldNameLabel = null;
    if (sectionLabel != null) {
        fieldNameLabel = new Label(field, SWT.NONE);
        fieldNameLabel.setText(sectionLabel);
    }

    treeviewer = new TreeViewer(field, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL);

    treeviewer.addFilter(filter = new ChoicesFilter());
    treeviewer.setLabelProvider(labelProvider);
    treeviewer.setContentProvider(contentProvider);
    treeviewer.setInput(content);
    treeviewer.expandAll();

    GridDataFactory grabHor = GridDataFactory.fillDefaults().grab(true, false);
    GridDataFactory fixHeight = GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 200);
    grabHor.applyTo(field);
    grabHor.applyTo(searchBox);
    fixHeight.applyTo(treeviewer.getControl());
    if (fieldNameLabel != null) {
        GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.BEGINNING).applyTo(fieldNameLabel);
    }

    whenVisible(treeviewer.getControl(), new Runnable() {
        public void run() {
            GSContent preSelect = selection.selection.getValue();
            if (preSelect != null) {
                treeviewer.setSelection(new StructuredSelection(preSelect), true);
            } else {
                treeviewer.setSelection(StructuredSelection.EMPTY, true);
            }
            if (initialFilterText != null) {
                searchBox.setText(initialFilterText);
                updateFilter();
            }
            if (category != null) {
                //System.out.println(category);
                ContentType<?> expand = null;
                ContentType<?>[] contentTypes = content.getTypes();
                for (ContentType<?> contentType : contentTypes) {
                    //TODO: Miles(?) Searching by display name seems like a bad idea
                    if (contentType.getDisplayName().equals(category)) {
                        expand = contentType;
                        break;
                    }
                }
                if (expand != null) {
                    treeviewer.setExpandedElements(new Object[] { expand });
                }
            }
        }
    });

    treeviewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection sel = treeviewer.getSelection();
            if (sel.isEmpty()) {
                setSelection(null);
            } else if (sel instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) sel;
                setSelection(ss.getFirstElement());
            } else {
                //Not expecting anything else. So ignore.
            }
        }

        private void setSelection(Object e) {
            if (e == null) {
                selection.selection.setValue(null);
                rawSelection.setValue(null);
            } else {
                rawSelection.setValue(e);
                if (e instanceof GSContent) {
                    selection.selection.setValue((GSContent) e);
                }
            }
        }
    });

    searchBox.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            updateFilter();
        }
    });
}

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