Examples with Item org.eclipse.swt.widgets.Item used on opensource projects

Example 36 with Item

use of org.eclipse.swt.widgets.Item in project linuxtools by eclipse.

the class AbstractPercentageDrawerField method handleEvent.

/**
 * Percentage drawer.
 */
@Override
public void handleEvent(Event event) {
    Item item = (Item) event.item;
    Display display = event.widget.getDisplay();
    int index = event.index;
    int widthcol = 0;
    if (event.widget instanceof Tree) {
        Tree tree = (Tree) event.widget;
        widthcol = tree.getColumn(index).getWidth();
    } else {
        // event.widget instanceof Table
        Table table = (Table) event.widget;
        widthcol = table.getColumn(index).getWidth();
    }
    float d = getPercentage(item.getData());
    int percent = (int) (d + 0.5);
    GC gc = event.gc;
    // --Define the size of the Progress bar.
    // This makes it grow/shrink dynamically.
    int totalProgBarLength = (int) (widthcol * 0.3);
    if (totalProgBarLength > 0) {
        // ------------------------------------------------------
        // ------------------- Draw Progress bar
        // ------------------------------------------------------
        // ---- Shared elements
        int totalProgBarHeight = (int) (event.height * 0.5);
        // --- Draw Green (covered) part
        gc.setBackground(display.getSystemColor(SWT.COLOR_DARK_GREEN));
        int progBarGreenWidth = (int) (totalProgBarLength * (percent * 0.01));
        int progBarGreenHorizontalPos = event.x;
        int progBarGreenHeight = (int) (event.height * 0.5);
        int progBarGreenVerticalPos = event.y + (totalProgBarHeight / 2) + 1;
        gc.fillRectangle(progBarGreenHorizontalPos, progBarGreenVerticalPos, progBarGreenWidth, progBarGreenHeight);
        // --- Draw Red (uncovered) Part
        gc.setBackground(display.getSystemColor(SWT.COLOR_DARK_RED));
        int progBarRedWidth = totalProgBarLength - progBarGreenWidth;
        int progBarRedHorizontalPos = progBarGreenHorizontalPos + progBarGreenWidth;
        int progBarRedHeight = progBarGreenHeight;
        int progBarRedVerticalPos = progBarGreenVerticalPos;
        gc.fillRectangle(progBarRedHorizontalPos, progBarRedVerticalPos, progBarRedWidth, progBarRedHeight);
    }
    // ------------------------------------------------------
    // ------------------- Draw text next to Progress bar
    // ------------------------------------------------------
    // ------- Define the 'text' format.  % text     e.g 94.0%
    String text = "%";
    text = (isSettedNumberFormat() ? getNumberFormat().format(d) : d) + text;
    Point size = gc.textExtent(text);
    int offset = Math.max(0, (event.height - size.y) / 2);
    // ------- Position the text
    Color foreground = gc.getForeground();
    gc.setForeground(display.getSystemColor(SWT.COLOR_LIST_FOREGROUND));
    // add offset of progress bar. (so that the text is to the right of the progress bar).
    // (prog bar size) + (20th of column widht)
    int progBarOffset = totalProgBarLength + (widthcol / 20);
    gc.drawText(text, event.x + progBarOffset, event.y + offset, true);
    gc.setForeground(foreground);
}

Example 37 with Item

use of org.eclipse.swt.widgets.Item in project linuxtools by eclipse.

the class STDataViewersCSVExporter method collectViewerParameters.

private void collectViewerParameters() {
    Display.getDefault().syncExec(() -> {
        // getting columns with the right order
        Item[] unOrdColumns = stViewer.getColumns();
        Item[] columns = new Item[unOrdColumns.length];
        int[] columnOrder = stViewer.getColumnOrder();
        for (int i1 = 0; i1 < unOrdColumns.length; i1++) {
            columns[i1] = unOrdColumns[columnOrder[i1]];
        }
        // getting fields mapping
        // (before removing hidden columns)
        Map<Item, ISTDataViewersField> fieldsMap = new HashMap<>();
        for (Item column : columns) {
            fieldsMap.put(column, (ISTDataViewersField) column.getData());
        }
        // creating a GUI-thread-independent comparator
        comparator = new CSVDataComparator(stViewer.getTableSorter(), fieldsMap);
        // getting only visible columns, using the column order
        if (!showHiddenColumns) {
            int[] columnsState = stViewer.getHideShowManager().getColumnsState();
            List<Item> enabledColumns = new ArrayList<>();
            for (int i2 = 0; i2 < columnsState.length; i2++) {
                if (columnsState[columnOrder[i2]] == STDataViewersHideShowManager.STATE_SHOWN) {
                    enabledColumns.add(columns[i2]);
                }
            }
            columns = enabledColumns.toArray(new Item[enabledColumns.size()]);
        }
        // collecting fields from columns (ordered & shown)
        fields = new ISTDataViewersField[columns.length];
        for (int i3 = 0; i3 < columns.length; i3++) {
            fields[i3] = (ISTDataViewersField) columns[i3].getData();
        }
        // getting input object
        input = stViewer.getViewer().getInput();
        // getting content provider
        contentProvider = stViewer.getViewer().getContentProvider();
        // getting expanded elements if necessary
        expandedElts = new ArrayList<>();
        if (!expandAll && stViewer.getViewer() instanceof TreeViewer) {
            TreeViewer tv = (TreeViewer) stViewer.getViewer();
            expandedElts = Arrays.asList(tv.getExpandedElements());
        }
    });
}

Example 38 with Item

use of org.eclipse.swt.widgets.Item in project linuxtools by eclipse.

the class STColumnSizeListener method handleEvent.

@Override
public void handleEvent(Event event) {
    if (hideshowMng != null) {
        Item column = (Item) event.widget;
        AbstractSTViewer stViewer = hideshowMng.getSTViewer();
        int width = stViewer.getColumnWidth(column);
        hideshowMng.setWidth(stViewer.getColumnIndex(column), width);
    }
}