Examples with TreePath org.eclipse.jface.viewers.TreePath used on opensource projects

Example 61 with TreePath

use of org.eclipse.jface.viewers.TreePath in project hale by halestudio.

the class PropertyDefinitionDialog method getObjectFromSelection.

@Override
protected EntityDefinition getObjectFromSelection(ISelection selection) {
    if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
        Object element = ((IStructuredSelection) selection).getFirstElement();
        if (element instanceof EntityDefinition) {
            return (EntityDefinition) element;
        }
    }
    if (!selection.isEmpty() && selection instanceof ITreeSelection) {
        // create property definition w/ default contexts
        TreePath path = ((ITreeSelection) selection).getPaths()[0];
        // get parent type
        TypeDefinition type = ((ChildDefinition<?>) path.getFirstSegment()).getParentType();
        // determine definition path
        List<ChildContext> defPath = new ArrayList<ChildContext>();
        for (int i = 0; i < path.getSegmentCount(); i++) {
            defPath.add(new ChildContext((ChildDefinition<?>) path.getSegment(i)));
        }
        // TODO check if property entity definition is applicable?
        return new PropertyEntityDefinition(type, defPath, ssid, null);
    }
    return null;
}

Example 62 with TreePath

use of org.eclipse.jface.viewers.TreePath in project hale by halestudio.

the class SchemaPatternFilter method isElementVisible.

/**
 * @see eu.esdihumboldt.hale.ui.util.viewer.tree.TreePathPatternFilter#isElementVisible(org.eclipse.jface.viewers.Viewer,
 *      java.lang.Object)
 */
@Override
public boolean isElementVisible(Viewer viewer, Object element) {
    TreePath elementPath = (TreePath) element;
    Object segment = elementPath.getLastSegment();
    if (segment instanceof EntityDefinition) {
        segment = ((EntityDefinition) segment).getDefinition();
    }
    if (memoryAccepted.contains(segment))
        return true;
    if (memoryRejected.contains(segment))
        return false;
    boolean match = isLeafMatch(viewer, element);
    if (!match) {
        match = isParentMatch(viewer, element);
        if (!match) {
            memoryRejected.add(segment);
        }
    }
    if (match) {
        memoryAccepted.add(segment);
    }
    return match;
}

Example 63 with TreePath

use of org.eclipse.jface.viewers.TreePath in project hale by halestudio.

the class SchemaPatternFilter method isLeafMatch.

/**
 * @see eu.esdihumboldt.hale.ui.util.viewer.tree.TreePathPatternFilter#isLeafMatch(org.eclipse.jface.viewers.Viewer,
 *      java.lang.Object)
 */
@Override
protected boolean isLeafMatch(Viewer viewer, Object element) {
    boolean leaf = matches(viewer, element);
    if (leaf) {
        return true;
    }
    // return true, if this element' definition was classified as visible
    TreePath elementPath = (TreePath) element;
    Object segment = elementPath.getLastSegment();
    if (segment instanceof EntityDefinition) {
        segment = ((EntityDefinition) segment).getDefinition();
    }
    return memoryAccepted.contains(segment);
}

Example 64 with TreePath

use of org.eclipse.jface.viewers.TreePath in project hale by halestudio.

the class TreePathFilteredTree method getPathsForElements.

/**
 * Get the tree paths for the given objects with the given parent path.
 *
 * @param parentPath the parent path for each object
 * @param elements the objects
 * @return the list of tree paths
 */
public static List<TreePath> getPathsForElements(TreePath parentPath, Object[] elements) {
    List<TreePath> paths = new ArrayList<TreePath>();
    // create tree paths from elements
    List<Object> parentSegments = new ArrayList<Object>();
    if (parentPath != null) {
        for (int i = 0; i < parentPath.getSegmentCount(); i++) {
            parentSegments.add(parentPath.getSegment(i));
        }
    }
    for (Object element : elements) {
        TreePath path;
        if (parentPath == null) {
            path = new TreePath(new Object[] { element });
        } else {
            parentSegments.add(element);
            path = new TreePath(parentSegments.toArray());
            parentSegments.remove(parentSegments.size() - 1);
        }
        paths.add(path);
    }
    return paths;
}

Example 65 with TreePath

use of org.eclipse.jface.viewers.TreePath in project hale by halestudio.

the class ClassificationFilter method select.

/**
 * @see ViewerFilter#select(Viewer, Object, Object)
 */
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
    if (element instanceof TreePath) {
        element = ((TreePath) element).getLastSegment();
    }
    if (element instanceof EntityDefinition) {
        element = ((EntityDefinition) element).getDefinition();
    }
    if (hidden.isEmpty() || !(element instanceof Definition<?>)) {
        // fast exit
        return true;
    }
    Definition<?> def = (Definition<?>) element;
    Classification clazz = Classification.getClassification(def);
    return !hidden.contains(clazz);
}