Example usage for org.eclipse.jface.viewers ITreeContentProvider getChildren

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ITreeContentProvider getChildren.

Prototype

public Object[] getChildren(Object parentElement);

Source Link

Document

Returns the child elements of the given parent element.

Usage

From source file:ca.uvic.cs.tagsea.tests.TagCollectionTests.java

License:Open Source License

public void testContentProvider() throws Exception {
    TagCollection tagCollection = new TagCollection();
    tagCollection.add("chris(child1)", TestPlatformFactory.instance().getMarker(), null);
    tagCollection.add("chris(child2)", TestPlatformFactory.instance().getMarker(), null);
    tagCollection.add("chris2", TestPlatformFactory.instance().getMarker(), null);

    ITreeContentProvider provider = tagCollection;
    Tag[] roots = (Tag[]) provider.getElements(new Object());
    assertEquals(2, roots.length);/*from   w w  w. j  a v a 2  s.c om*/
    assertTrue(provider.hasChildren(roots[0]));
    assertEquals(2, provider.getChildren(roots[0]).length);
    assertTrue(!provider.hasChildren(roots[1]));
}

From source file:ch.elexis.core.ui.dialogs.DiagnoseSelektor.java

License:Open Source License

private void addDiagnoses(ITreeContentProvider tcp, Object[] roots) {
    for (Object object : roots) {
        if (tcp.hasChildren(object)) {
            addDiagnoses(tcp, tcp.getChildren(object));
        } else {//from  w w w. j  a va2 s . com
            diagnoses.add((IDiagnose) object);
        }
    }
}

From source file:com.android.sdkuilib.internal.repository.RemotePackagesPage.java

License:Apache License

private void expandItem(Object elem, ITreeContentProvider provider) {
    if (elem instanceof SdkSource || elem instanceof SdkSourceCategory) {
        mTreeViewerSources.setExpandedState(elem, true);
        for (Object pkg : provider.getChildren(elem)) {
            mTreeViewerSources.setChecked(pkg, true);
            expandItem(pkg, provider);/*w  ww  . j  ava2s  .  c o  m*/
        }
    } else if (elem instanceof Package) {
        selectCompatibleArchives(elem, provider);
    }
}

From source file:com.android.sdkuilib.internal.repository.RemotePackagesPage.java

License:Apache License

private void selectCompatibleArchives(Object pkg, ITreeContentProvider provider) {
    for (Object archive : provider.getChildren(pkg)) {
        if (archive instanceof Archive) {
            mTreeViewerSources.setChecked(archive, ((Archive) archive).isCompatible());
        }//from  ww  w. ja v  a  2 s  . co m
    }
}

From source file:com.android.sdkuilib.internal.repository.sdkman2.PackagesPage.java

License:Apache License

private void checkAndExpandItem(Object elem, boolean checked, boolean fixChildren, boolean fixParent) {
    ITreeContentProvider provider = (ITreeContentProvider) mTreeViewer.getContentProvider();

    // fix the item itself
    if (checked != mTreeViewer.getChecked(elem)) {
        mTreeViewer.setChecked(elem, checked);
    }//w w w  .j  av a2 s  . co m
    if (elem instanceof PkgItem) {
        // update the PkgItem to reflect the selection
        ((PkgItem) elem).setChecked(checked);
    }

    if (!checked) {
        if (fixChildren) {
            // when de-selecting, we deselect all children too
            mTreeViewer.setSubtreeChecked(elem, checked);
            for (Object child : provider.getChildren(elem)) {
                checkAndExpandItem(child, checked, fixChildren, false/*fixParent*/);
            }
        }

        // fix the parent when deselecting
        if (fixParent) {
            Object parent = provider.getParent(elem);
            if (parent != null && mTreeViewer.getChecked(parent)) {
                mTreeViewer.setChecked(parent, false);
            }
        }
        return;
    }

    // When selecting, we also select sub-items (for a category)
    if (fixChildren) {
        if (elem instanceof PkgCategory || elem instanceof PkgItem) {
            Object[] children = provider.getChildren(elem);
            for (Object child : children) {
                checkAndExpandItem(child, true, fixChildren, false/*fixParent*/);
            }
            // only fix the parent once the last sub-item is set
            if (elem instanceof PkgCategory) {
                if (children.length > 0) {
                    checkAndExpandItem(children[0], true, false/*fixChildren*/, true/*fixParent*/);
                } else {
                    mTreeViewer.setChecked(elem, false);
                }
            }
        } else if (elem instanceof Package) {
            // in details mode, we auto-select compatible packages
            selectCompatibleArchives(elem, provider);
        }
    }

    if (fixParent && checked && elem instanceof PkgItem) {
        Object parent = provider.getParent(elem);
        if (!mTreeViewer.getChecked(parent)) {
            Object[] children = provider.getChildren(parent);
            boolean allChecked = children.length > 0;
            for (Object e : children) {
                if (!mTreeViewer.getChecked(e)) {
                    allChecked = false;
                    break;
                }
            }
            if (allChecked) {
                mTreeViewer.setChecked(parent, true);
            }
        }
    }
}

From source file:com.android.sdkuilib.internal.repository.sdkman2.PackagesPage.java

License:Apache License

private void selectCompatibleArchives(Object pkg, ITreeContentProvider provider) {
    for (Object archive : provider.getChildren(pkg)) {
        if (archive instanceof Archive) {
            mTreeViewer.setChecked(archive, ((Archive) archive).isCompatible());
        }/*from   w  w w . j  a  v  a 2 s.  co  m*/
    }
}

From source file:com.aptana.editor.common.outline.CommonQuickOutlinePage.java

License:Open Source License

/**
 * Expands a tree element, also feels parents map.
 * /*from   w  w  w .  j  a v  a2  s  .  c om*/
 * @param element
 *            - element to expand.
 * @param treeContentProvider
 *            - tree content provider.
 * @param elements
 *            - elements.
 */
private void expandElement(Object element, ITreeContentProvider treeContentProvider, List<Object> elements,
        Map<Object, List<Object>> parents) {
    // getting children
    Object[] children = treeContentProvider.getChildren(element);

    List<Object> elementParentsList = parents.get(element);

    for (Object child : children) {
        // adding child to the elements list
        elements.add(child);

        // filling parents list for the child
        List<Object> parentsList = new ArrayList<Object>();

        // adding list of parent's parents, if exists
        if (elementParentsList != null) {
            parentsList.addAll(elementParentsList);
        }

        // adding parent
        parentsList.add(element);
        parents.put(child, parentsList);
    }

    // expanding children
    for (Object child : children) {
        expandElement(child, treeContentProvider, elements, parents);
    }
}

From source file:com.aptana.ide.views.outline.UnifiedOutlineProvider.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
 *///  w w  w  .  jav  a 2s. c o  m
public Object[] getChildren(Object parentElement) {
    Object[] result = NO_OBJECTS;

    switchLanguage(parentElement);

    if (this._currentProviders != null) {
        ITreeContentProvider contentProvider = this._currentProviders.contentProvider;

        if (contentProvider != null) {
            result = contentProvider.getChildren(parentElement);
        }
    }

    return result;
}

From source file:com.aptana.ide.views.outline.UnifiedQuickOutlinePage.java

License:Open Source License

/**
 * Expands a tree element, also feels parents map.
  * @param element - element to expand./*  ww w.j a  v  a2  s  .c o m*/
  * @param treeContentProvider - tree content provider.
  * @param elements - elements.
  */
private void expandElement(Object element, ITreeContentProvider treeContentProvider, List<Object> elements,
        Map<Object, List<Object>> parents) {
    //getting children
    Object[] children = treeContentProvider.getChildren(element);

    List<Object> elementParentsList = parents.get(element);

    for (Object child : children) {
        //adding child to the elements list
        elements.add(child);

        //filling parents list for the child
        ArrayList<Object> parentsList = new ArrayList<Object>();

        //adding list of parent's parents, if exists
        if (elementParentsList != null) {
            parentsList.addAll(elementParentsList);
        }

        //adding parent
        parentsList.add(element);
        parents.put(child, parentsList);
    }

    //expanding children
    for (Object child : children) {
        expandElement(child, treeContentProvider, elements, parents);
    }
}

From source file:com.aptana.index.core.ui.views.IndexViewContentProvider.java

License:Open Source License

public Object[] getChildren(Object parentElement) {
    List<ITreeContentProvider> providers = this.getProcessors();
    List<Object> result = new ArrayList<Object>();

    for (ITreeContentProvider provider : providers) {
        Object[] items = provider.getChildren(parentElement);

        result.addAll(Arrays.asList(items));
    }/* w ww .java  2s .c  o  m*/

    return result.toArray();
}