Example usage for org.eclipse.jface.viewers ViewerComparator ViewerComparator

List of usage examples for org.eclipse.jface.viewers ViewerComparator ViewerComparator

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Introduction

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

Prototype

public ViewerComparator()

Source Link

Document

Creates a new ViewerComparator , which uses the default comparator to sort strings.

Usage

From source file:org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore.statistics.AbstractSegmentsStatisticsViewer.java

License:Open Source License

@Override
protected ITmfTreeColumnDataProvider getColumnDataProvider() {
    return new ITmfTreeColumnDataProvider() {

        @Override/*from ww w .j  a v a2s  .  c o  m*/
        public List<@Nullable TmfTreeColumnData> getColumnData() {
            /* All columns are sortable */
            List<@Nullable TmfTreeColumnData> columns = new ArrayList<>();
            TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return n1.getName().compareTo(n2.getName());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[1]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getMin(), n2.getEntry().getMin());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[2]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getMax(), n2.getEntry().getMax());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[3]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getMean(), n2.getEntry().getMean());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[4]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getStdDev(), n2.getEntry().getStdDev());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[5]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getNbElements(), n2.getEntry().getNbElements());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[6]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getTotal(), n2.getEntry().getTotal());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(""); //$NON-NLS-1$
            columns.add(column);
            return columns;
        }

    };
}

From source file:org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore.statistics.AbstractSegmentStoreStatisticsViewer.java

License:Open Source License

@Override
protected ITmfTreeColumnDataProvider getColumnDataProvider() {
    return new ITmfTreeColumnDataProvider() {

        @Override//w  ww. j av  a 2s  .co m
        public List<@Nullable TmfTreeColumnData> getColumnData() {
            /* All columns are sortable */
            List<@Nullable TmfTreeColumnData> columns = new ArrayList<>();
            TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return n1.getName().compareTo(n2.getName());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[1]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getMin(), n2.getEntry().getMin());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[2]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getMax(), n2.getEntry().getMax());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[3]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getAverage(), n2.getEntry().getAverage());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[4]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getStdDev(), n2.getEntry().getStdDev());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[5]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getNbSegments(), n2.getEntry().getNbSegments());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[6]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getTotal(), n2.getEntry().getTotal());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(""); //$NON-NLS-1$
            columns.add(column);
            return columns;
        }

    };
}

From source file:org.eclipse.tracecompass.extension.internal.virtual.machine.analysis.ui.views.fusedvmview.SelectMachineDialog.java

License:Open Source License

private TreeViewer doCreateTreeViewer(Composite parent, Map<String, Machine> machines) {
    fCheckboxTreeViewer = new CheckboxTreeViewer(parent, SWT.BORDER);

    fContentProvider = new TmfNavigatorContentProvider() {

        @Override//from w w w  . ja  va 2s .c  o m
        public Object getParent(Object element) {
            if (element instanceof Machine) {
                Machine host = ((Machine) element).getHost();
                if (host != null) {
                    return host;
                }
                return element;
            } else if (element instanceof Processor) {
                return ((Processor) element).getMachine();
            }
            return null;
        }

        @Override
        public Object[] getElements(Object inputElement) {
            return getChildren(inputElement);
        }

        @Override
        public synchronized Object[] getChildren(Object parentElement) {
            if (parentElement instanceof List) {
                return ((List<?>) parentElement).toArray();
            } else if (parentElement instanceof Machine) {
                Machine m = (Machine) parentElement;
                Set<Processor> cpus = m.getCpus();
                if (!cpus.isEmpty()) {
                    Object[] array = { cpus, m.getContainers() };
                    return array;
                }
            } else if (parentElement instanceof Set) {
                return ((Set<?>) parentElement).toArray();
            }
            return null;
        }

        @Override
        public boolean hasChildren(Object element) {
            Object[] children = getChildren(element);
            return children != null && children.length > 0;
        }

    };
    fCheckboxTreeViewer.setContentProvider(fContentProvider);
    fLabelProvider = new TmfNavigatorLabelProvider() {
        @Override
        public String getText(Object arg0) {
            if (arg0 instanceof Set<?>) {
                Set<?> set = (Set<?>) arg0;
                if (!set.isEmpty()) {
                    for (Object o : set) {
                        if (o instanceof Machine) {
                            return Attributes.CONTAINERS;
                        } else if (o instanceof Processor) {
                            return Attributes.CPUS;
                        }
                    }
                }
            }
            return arg0.toString();
        }
    };
    fCheckboxTreeViewer.setLabelProvider(fLabelProvider);
    fCheckboxTreeViewer.setComparator(new ViewerComparator());

    final Tree tree = fCheckboxTreeViewer.getTree();
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    tree.setLayoutData(gd);
    tree.setHeaderVisible(true);

    final TreeViewerColumn column = new TreeViewerColumn(fCheckboxTreeViewer, SWT.NONE);
    column.getColumn().setText(Messages.FusedVMView_SelectMachineActionNameText);
    column.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof String) {
                return (String) element;
            }
            return fLabelProvider.getText(element);
        }

        @Override
        public Image getImage(Object element) {
            return fLabelProvider.getImage(element);
        }
    });

    // Populate the list with the machines' names
    List<Machine> listMachines = new ArrayList<>(machines.values());
    fCheckboxTreeViewer.setInput(listMachines);
    column.getColumn().pack();

    fCheckboxTreeViewer.addCheckStateListener(new ICheckStateListener() {
        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            Object element = event.getElement();
            Object root = null;
            if (element instanceof Machine) {
                Machine m = (Machine) element;
                Machine host = m.getHost();
                if (host == null) {
                    /* We are the root of a machine */
                    m.setHighlighted(event.getChecked());
                    Set<Processor> cpus = m.getCpus();
                    for (Processor cpu : cpus) {
                        cpu.setHighlighted(event.getChecked());
                    }
                    Set<Machine> containers = m.getContainers();
                    for (Machine container : containers) {
                        container.setHighlighted(event.getChecked());
                    }
                } else {
                    /* We are at a container */
                    m.setHighlighted(event.getChecked());
                    host.setHighlighted(host.isChecked());
                }
            } else if (element instanceof Processor) {
                Boolean checked = event.getChecked();
                ((Processor) element).setHighlighted(checked);
                Object ancestor = fContentProvider.getParent(element);
                if (ancestor instanceof Machine) {
                    Machine m = (Machine) ancestor;
                    m.setHighlighted(m.isChecked());
                }
            } else if (element instanceof Set<?>) {
                /* We are looking at a set of containers or cpus */
                Set<?> set = (Set<?>) element;
                if (!set.isEmpty()) {
                    for (Object o : set) {
                        if (o instanceof Machine) {
                            ((Machine) o).setHighlighted(event.getChecked());
                        } else if (o instanceof Processor) {
                            ((Processor) o).setHighlighted(event.getChecked());
                        }
                        root = fContentProvider.getParent(o);
                    }
                }
            }
            if (root == null) {
                root = fContentProvider.getParent(element);
            }
            ((Machine) root).setHighlighted(((Machine) root).isChecked());
            /* Update the view because the selection changed */
            updateCheckedNodes(root);
        }
    });

    /* Initial setting of the checked state when we open the dialog */
    for (Machine m : listMachines) {
        updateCheckedNodes(m);
    }

    return fCheckboxTreeViewer;
}

From source file:org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.latency.statistics.AbstractSegmentStoreStatisticsViewer.java

License:Open Source License

@Override
protected ITmfTreeColumnDataProvider getColumnDataProvider() {
    return new ITmfTreeColumnDataProvider() {

        @Override//from w w  w  .  ja v a 2 s. c  o  m
        public List<@Nullable TmfTreeColumnData> getColumnData() {
            /* All columns are sortable */
            List<@Nullable TmfTreeColumnData> columns = new ArrayList<>();
            TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1;
                    LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2;

                    return n1.getName().compareTo(n2.getName());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[1]);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1;
                    LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2;

                    return Long.compare(n1.getEntry().getMin(), n2.getEntry().getMin());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[2]);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1;
                    LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2;

                    return Long.compare(n1.getEntry().getMax(), n2.getEntry().getMax());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[3]);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    LatencyTreeViewerEntry n1 = (LatencyTreeViewerEntry) e1;
                    LatencyTreeViewerEntry n2 = (LatencyTreeViewerEntry) e2;

                    return Double.compare(n1.getEntry().getAverage(), n2.getEntry().getAverage());

                }
            });
            columns.add(column);

            return columns;
        }

    };
}

From source file:org.eclipse.tracecompass.internal.analysis.timing.ui.views.segmentstore.statistics.AbstractSegmentStoreStatisticsViewer.java

License:Open Source License

@Override
protected ITmfTreeColumnDataProvider getColumnDataProvider() {
    return new ITmfTreeColumnDataProvider() {

        @Override/*  w  w w  .j ava 2  s .  c  o  m*/
        public List<@Nullable TmfTreeColumnData> getColumnData() {
            /* All columns are sortable */
            List<@Nullable TmfTreeColumnData> columns = new ArrayList<>();
            TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return n1.getName().compareTo(n2.getName());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[1]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getMin(), n2.getEntry().getMin());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[2]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Long.compare(n1.getEntry().getMax(), n2.getEntry().getMax());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[3]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getAverage(), n2.getEntry().getAverage());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(COLUMN_NAMES[4]);
            column.setAlignment(SWT.RIGHT);
            column.setComparator(new ViewerComparator() {
                @Override
                public int compare(@Nullable Viewer viewer, @Nullable Object e1, @Nullable Object e2) {
                    if ((e1 == null) || (e2 == null)) {
                        return 0;
                    }

                    SegmentStoreStatisticsEntry n1 = (SegmentStoreStatisticsEntry) e1;
                    SegmentStoreStatisticsEntry n2 = (SegmentStoreStatisticsEntry) e2;

                    return Double.compare(n1.getEntry().getStdDev(), n2.getEntry().getStdDev());

                }
            });
            columns.add(column);
            column = new TmfTreeColumnData(""); //$NON-NLS-1$
            columns.add(column);
            return columns;
        }

    };
}

From source file:org.eclipse.tracecompass.internal.tmf.ui.viewers.statistics.TmfStatisticsViewer.java

License:Open Source License

/**
 * Initialize the content that will be drawn in this viewer
 *
 * @param parent// w  w  w. jav a 2 s  . c  o  m
 *            The parent of the control to create
 */
protected void initContent(Composite parent) {

    final List<TmfBaseColumnData> columnDataList = getColumnDataProvider().getColumnData();

    fSash = new SashForm(parent, SWT.HORIZONTAL);

    fTreeViewer = new TreeViewer(fSash, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    fPieChartViewer = new TmfPieChartViewer(fSash);
    fPieChartViewer.addEventTypeSelectionListener(new Listener() {

        @Override
        public void handleEvent(Event event) {
            String eventTypeName = event.text;
            if (getStatisticData().getRootNode() == null || fTreeViewer.getTree() == null) {
                return;
            }
            /* Get all the nodes corresponding to the event name */
            List<TmfStatisticsTreeNode> nodes = (List<TmfStatisticsTreeNode>) getStatisticData().getRootNode()
                    .findChildren(eventTypeName, true);
            if (nodes.isEmpty()) {
                /* Shouldn't happen, except for when selecting "Others" */
                return;
            }
            /* Only select the first in the collection */
            fTreeViewer.setSelection(new StructuredSelection(nodes.get(0)), true);
        }
    });

    /* Make sure the sash is split in 2 equal parts */
    fSash.setWeights(new int[] { 100, 100 });

    fTreeViewer.setContentProvider(new TmfTreeContentProvider());
    fTreeViewer.getTree().setHeaderVisible(true);
    fTreeViewer.setUseHashlookup(true);

    // Creates the columns defined by the column data provider
    for (final TmfBaseColumnData columnData : columnDataList) {
        final TreeViewerColumn treeColumn = new TreeViewerColumn(fTreeViewer, columnData.getAlignment());
        treeColumn.getColumn().setText(columnData.getHeader());
        treeColumn.getColumn().setWidth(columnData.getWidth());
        treeColumn.getColumn().setToolTipText(columnData.getTooltip());

        // If is dummy column
        if (columnData == columnDataList.get(TmfBaseColumnDataProvider.StatsColumn.DUMMY.getIndex())) {
            treeColumn.getColumn().setResizable(false);
        }

        // A comparator is defined.
        if (columnData.getComparator() != null) {
            // Adds a listener on the columns header for sorting purpose.
            treeColumn.getColumn().addSelectionListener(new SelectionAdapter() {

                private ViewerComparator reverseComparator;

                @Override
                public void widgetSelected(SelectionEvent e) {
                    // Initializes the reverse comparator once.
                    if (reverseComparator == null) {
                        reverseComparator = new ViewerComparator() {
                            @Override
                            public int compare(Viewer viewer, Object e1, Object e2) {
                                return -1 * columnData.getComparator().compare(viewer, e1, e2);
                            }
                        };
                    }

                    if (fTreeViewer.getTree().getSortDirection() == SWT.UP
                            || fTreeViewer.getTree().getSortColumn() != treeColumn.getColumn()) {
                        /*
                         * Puts the descendant order if the old order was up
                         * or if the selected column has changed.
                         */
                        fTreeViewer.setComparator(columnData.getComparator());
                        fTreeViewer.getTree().setSortDirection(SWT.DOWN);
                    } else {
                        /*
                         * Puts the ascendant ordering if the selected
                         * column hasn't changed.
                         */
                        fTreeViewer.setComparator(reverseComparator);
                        fTreeViewer.getTree().setSortDirection(SWT.UP);
                    }
                    fTreeViewer.getTree().setSortColumn(treeColumn.getColumn());
                }
            });
        }
        treeColumn.setLabelProvider(columnData.getLabelProvider());
    }

    // Handler that will draw the percentages and the bar charts.
    fTreeViewer.getTree().addListener(SWT.EraseItem, new Listener() {
        @Override
        public void handleEvent(Event event) {
            if (columnDataList.get(event.index).getPercentageProvider() != null) {

                TmfStatisticsTreeNode node = (TmfStatisticsTreeNode) event.item.getData();

                // If node is hidden, exit immediately.
                if (TmfBaseColumnDataProvider.HIDDEN_FOLDER_LEVELS.contains(node.getName())) {
                    return;
                }

                // Otherwise, get percentage and draw bar and text if
                // applicable.
                double percentage = columnDataList.get(event.index).getPercentageProvider().getPercentage(node);

                // The item is selected.
                if ((event.detail & SWT.SELECTED) > 0) {
                    // Draws our own background to avoid overwriting the
                    // bar.
                    event.gc.fillRectangle(event.x, event.y, event.width, event.height);
                    event.detail &= ~SWT.SELECTED;
                }

                // Drawing the percentage text
                // if events are present in top node
                // and the current node is not the top node
                // and if is total or partial events column.
                // If not, exit the method.
                if (!((event.index == TmfBaseColumnDataProvider.StatsColumn.TOTAL.getIndex()
                        || event.index == TmfBaseColumnDataProvider.StatsColumn.PARTIAL.getIndex())
                        && node != node.getTop())) {
                    return;
                }

                long eventValue = event.index == TmfBaseColumnDataProvider.StatsColumn.TOTAL.getIndex()
                        ? node.getTop().getValues().getTotal()
                        : node.getTop().getValues().getPartial();

                if (eventValue != 0) {

                    int oldAlpha = event.gc.getAlpha();
                    Color oldForeground = event.gc.getForeground();
                    Color oldBackground = event.gc.getBackground();

                    // Bar to draw
                    if (percentage != 0) {
                        /*
                         * Draws a transparent gradient rectangle from the
                         * color of foreground and background.
                         */
                        int barWidth = (int) ((fTreeViewer.getTree().getColumn(event.index).getWidth() - 8)
                                * percentage);
                        event.gc.setAlpha(64);
                        event.gc.setForeground(event.item.getDisplay().getSystemColor(SWT.COLOR_BLUE));
                        event.gc.setBackground(
                                event.item.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
                        event.gc.fillGradientRectangle(event.x, event.y, barWidth, event.height, true);
                        event.gc.drawRectangle(event.x, event.y, barWidth, event.height);

                        // Restore old values
                        event.gc.setBackground(oldBackground);
                        event.gc.setAlpha(oldAlpha);
                        event.detail &= ~SWT.BACKGROUND;

                    }

                    String percentageText = TmfStatisticsFormatter.toPercentageText(percentage);
                    String absoluteNumberText = TmfStatisticsFormatter.toColumnData(node,
                            TmfBaseColumnDataProvider.StatsColumn.getColumn(event.index));

                    if (event.width > event.gc.stringExtent(percentageText).x
                            + event.gc.stringExtent(absoluteNumberText).x) {
                        int textHeight = event.gc.stringExtent(percentageText).y;
                        event.gc.setForeground(event.item.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY));
                        event.gc.drawText(percentageText, event.x, event.y + (event.height - textHeight) / 2,
                                true);
                    }

                    // Restores old values
                    event.gc.setForeground(oldForeground);

                }
            }
        }

    });

    // Initializes the comparator parameters
    fTreeViewer.setComparator(columnDataList.get(0).getComparator());
    fTreeViewer.getTree().setSortColumn(fTreeViewer.getTree().getColumn(0));
    fTreeViewer.getTree().setSortDirection(SWT.DOWN);
}

From source file:org.eclipse.tracecompass.tmf.ui.project.wizards.SelectRootNodeWizardPage.java

License:Open Source License

private TreeViewer doCreateTreeViewer(Composite parent) {
    fCheckboxTreeViewer = new CheckboxTreeViewer(parent, SWT.BORDER);

    fContentProvider = new TmfNavigatorContentProvider() {

        @Override//ww w . ja v  a2s .  c om
        public Object[] getElements(Object inputElement) {
            return getChildren(inputElement);
        }

        @Override
        public synchronized Object[] getChildren(Object parentElement) {
            if (parentElement instanceof TmfExperimentElement) {
                return ((TmfExperimentElement) parentElement).getTraces().toArray();
            }
            return null;
        }

        @Override
        public boolean hasChildren(Object element) {
            if (element instanceof TmfExperimentElement) {
                return !(((TmfExperimentElement) element).getTraces().isEmpty());
            }
            return false;
        }
    };
    fCheckboxTreeViewer.setContentProvider(fContentProvider);
    fLabelProvider = new TmfNavigatorLabelProvider();
    fCheckboxTreeViewer.setLabelProvider(fLabelProvider);
    fCheckboxTreeViewer.setComparator(new ViewerComparator());

    final Tree tree = fCheckboxTreeViewer.getTree();
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    tree.setLayoutData(gd);
    tree.setHeaderVisible(true);

    final TreeViewerColumn column = new TreeViewerColumn(fCheckboxTreeViewer, SWT.NONE);
    column.getColumn().setText(Messages.SelectRootNodeWizardPage_TraceColumnHeader);
    column.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public String getText(Object element) {
            return fLabelProvider.getText(element);
        }

        @Override
        public Image getImage(Object element) {
            return fLabelProvider.getImage(element);
        }
    });

    // Populate the list of traces from the experiment
    fCheckboxTreeViewer.setInput(fExperiment);
    column.getColumn().pack();

    fCheckboxTreeViewer.addCheckStateListener(new ICheckStateListener() {
        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            Object element = event.getElement();
            // Uncheck all elements
            for (Object checkedElement : fCheckboxTreeViewer.getCheckedElements()) {
                fCheckboxTreeViewer.setChecked(checkedElement, false);
            }
            fCheckboxTreeViewer.setChecked(element, event.getChecked());
            setPageComplete(event.getChecked());
        }
    });

    setPageComplete(true);
    // Checks the first element by default
    fCheckboxTreeViewer.getTree().getItem(0).setChecked(true);
    return fCheckboxTreeViewer;
}

From source file:org.eclipse.tracecompass.tmf.ui.tests.statistics.TmfBaseColumnDataTest.java

License:Open Source License

/**
 * Pre-test setup/*from  www .  jav a2  s .c o  m*/
 */
@Before
public void init() {
    fHeader = "test Column1";
    fWidth = 300;
    fAlignment = SWT.LEFT;
    fToolTip = "Tooltip " + fHeader;
    fLabelProvider = new ColumnLabelProvider() {
        @Override
        public String getText(Object element) {
            return ((TmfStatisticsTreeNode) element).getName();
        }

        @Override
        public Image getImage(Object element) {
            return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
        }
    };
    fComparator = new ViewerComparator() {
        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            TmfStatisticsTreeNode n1 = (TmfStatisticsTreeNode) e1;
            TmfStatisticsTreeNode n2 = (TmfStatisticsTreeNode) e2;

            return n1.getName().compareTo(n2.getName());
        }
    };
    fPercentageProvider = new ITmfColumnPercentageProvider() {
        @Override
        public double getPercentage(TmfStatisticsTreeNode node) {
            TmfStatisticsTreeNode parent = node;
            do {
                parent = parent.getParent();
            } while (parent != null && parent.getValues().getTotal() == 0);

            if (parent == null) {
                return 0;
            }
            return (double) node.getValues().getTotal() / parent.getValues().getTotal();
        }
    };

    TmfStatisticsTree baseData = new TmfStatisticsTree();
    fTraceName = "trace1";
    fTreeNode = new TmfStatisticsTreeNode(baseData, baseData.getRootNode(), fTraceName);

    fBaseColumnData = new TmfBaseColumnData(fHeader, fWidth, fAlignment, fToolTip, fLabelProvider, fComparator,
            fPercentageProvider);
}

From source file:org.eclipse.ui.activities.ActivityCategoryPreferencePage.java

License:Open Source License

/**
 * @param parent/*from  w  w  w . java2 s  .c  om*/
 */
private void createCategoryArea(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginHeight = layout.marginWidth = 0;
    layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
    layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
    composite.setLayout(layout);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = 200;
    composite.setLayoutData(data);
    Label label = new Label(composite, SWT.NONE);
    label.setText(strings.getProperty(CATEGORY_NAME, ActivityMessages.ActivityEnabler_categories) + ':');
    Table table = new Table(composite, SWT.CHECK | SWT.BORDER | SWT.SINGLE);
    table.addSelectionListener(new SelectionAdapter() {

        /*
         * (non-Javadoc)
         * 
         * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
         */
        public void widgetSelected(SelectionEvent e) {
            if (e.detail == SWT.CHECK) {
                TableItem tableItem = (TableItem) e.item;

                ICategory category = (ICategory) tableItem.getData();
                if (isLocked(category)) {
                    tableItem.setChecked(true);
                    e.doit = false; // veto the check
                    return;
                }
                Set activitySet = WorkbenchActivityHelper.getActivityIdsForCategory(category);
                if (tableItem.getChecked()) {
                    activitySet.addAll(workingCopy.getEnabledActivityIds());
                } else {
                    HashSet newSet = new HashSet(workingCopy.getEnabledActivityIds());
                    newSet.removeAll(activitySet);
                    activitySet = newSet;
                }

                workingCopy.setEnabledActivityIds(activitySet);
                updateCategoryCheckState(); // even though we're reacting to
                // a check change we may need to
                // refresh a greying change.
                // Just process the whole thing.
            }
        }
    });
    categoryViewer = new CheckboxTableViewer(table);
    categoryViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    categoryViewer.setContentProvider(new CategoryContentProvider());
    CategoryLabelProvider categoryLabelProvider = new CategoryLabelProvider(true);
    workingCopy.addActivityManagerListener(categoryLabelProvider);
    categoryViewer.setLabelProvider(categoryLabelProvider);
    categoryViewer.setComparator(new ViewerComparator());
    categoryViewer.addFilter(new EmptyCategoryFilter());

    categoryViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        /*
         * (non-Javadoc)
         * 
         * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
         */
        public void selectionChanged(SelectionChangedEvent event) {
            ICategory element = (ICategory) ((IStructuredSelection) event.getSelection()).getFirstElement();
            setDetails(element);
        }
    });
    categoryViewer.setInput(workingCopy.getDefinedCategoryIds());

    updateCategoryCheckState();
}

From source file:org.eclipse.ui.dialogs.TypeFilteringDialog.java

License:Open Source License

protected Control createDialogArea(Composite parent) {
    // page group
    Composite composite = (Composite) super.createDialogArea(parent);
    createMessageArea(composite);//from  w w  w  . j  a  v a2  s.  c  om
    listViewer = CheckboxTableViewer.newCheckList(composite, SWT.BORDER);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
    data.widthHint = SIZING_SELECTION_WIDGET_WIDTH;
    listViewer.getTable().setLayoutData(data);
    listViewer.getTable().setFont(parent.getFont());
    listViewer.setLabelProvider(FileEditorMappingLabelProvider.INSTANCE);
    listViewer.setContentProvider(ArrayContentProvider.getInstance());
    listViewer.setComparator(new ViewerComparator());
    addSelectionButtons(composite);
    createUserEntryGroup(composite);
    initializeViewer();
    // initialize page
    if (this.initialSelections != null && !this.initialSelections.isEmpty()) {
        checkInitialSelections();
    }
    return composite;
}