Example usage for org.eclipse.jface.viewers CheckboxTableViewer setGrayed

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers CheckboxTableViewer setGrayed.

Prototype

public boolean setGrayed(Object element, boolean state) 

Source Link

Document

Sets the grayed state for the given element in this viewer.

Usage

From source file:com.microsoft.tfs.client.common.ui.controls.TeamProjectTable.java

License:Open Source License

/**
 * Updates the tri-state "select all" element based on the size of the set
 * of currently checked (non-special) items in the table. If all non-special
 * items are checked, the "select all" box is checked and ungrayed. If no
 * non-special items are checked, the "select all" box is unchecked and
 * ungrayed. If some but not all non-special items are checked, the
 * "select all" box is checked and grayed.
 *///  ww  w.  j  a v  a2s .  co m
private void updateSelectAllCheckState() {
    final CheckboxTableViewer viewer = ((CheckboxTableViewer) getViewer());

    // Use the filtered (non-special items removed) counts
    final int checkedCount = getValidCheckedProjectsCount();
    final int elementCount = removeNotValidVC(getProjects()).length;

    if (checkedCount == elementCount && elementCount > 0) {
        viewer.setChecked(SELECT_ALL_SPECIAL_PROJECT_INFO, true);
        viewer.setGrayed(SELECT_ALL_SPECIAL_PROJECT_INFO, false);
    } else if (checkedCount == 0) {
        viewer.setChecked(SELECT_ALL_SPECIAL_PROJECT_INFO, false);
        viewer.setGrayed(SELECT_ALL_SPECIAL_PROJECT_INFO, false);
    } else {
        viewer.setChecked(SELECT_ALL_SPECIAL_PROJECT_INFO, true);
        viewer.setGrayed(SELECT_ALL_SPECIAL_PROJECT_INFO, true);
    }
}

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