Java Code Examples for com.google.gwt.user.client.DOM#getChild()

@Override
public void onBrowserEvent(Event event) {
	debug("VComboBoxMultiselect.SP: onBrowserEvent()");

	if (event.getTypeInt() == Event.ONCLICK) {
		final Element target = DOM.eventGetTarget(event);
		if (target == this.up || target == DOM.getChild(this.up, 0)) {
			this.lazyPageScroller.scrollUp();
		} else if (target == this.down || target == DOM.getChild(this.down, 0)) {
			this.lazyPageScroller.scrollDown();
		}

	}

	/*
	 * Prevent the keyboard focus from leaving the textfield by
	 * preventing the default behaviour of the browser. Fixes #4285.
	 */
	handleMouseDownEvent(event);
}
 

public void setCellWidth(int cellIx, int width) {
    // CAUTION: copied from VScrollTableRow with small changes
    final Element cell = DOM.getChild(tr, cellIx);
    Style wrapperStyle = cell.getFirstChildElement().getStyle();
    int wrapperWidth = width;
    if (BrowserInfo.get().isWebkit()
            || BrowserInfo.get().isOpera10()) {
        /*
         * Some versions of Webkit and Opera ignore the width
         * definition of zero width table cells. Instead, use 1px
         * and compensate with a negative margin.
         */
        if (width == 0) {
            wrapperWidth = 1;
            wrapperStyle.setMarginRight(-1, Style.Unit.PX);
        } else {
            wrapperStyle.clearMarginRight();
        }
    }
    wrapperStyle.setPropertyPx("width", wrapperWidth);
    cell.getStyle().setPropertyPx("width", width);
}
 

@Override
public void onBrowserEvent(Event event) {
	debug("VComboBoxMultiselect.SP: onBrowserEvent()");

	if (event.getTypeInt() == Event.ONCLICK) {
		final Element target = DOM.eventGetTarget(event);
		if (target == this.up || target == DOM.getChild(this.up, 0)) {
			this.lazyPageScroller.scrollUp();
		} else if (target == this.down || target == DOM.getChild(this.down, 0)) {
			this.lazyPageScroller.scrollDown();
		}

	}

	/*
	 * Prevent the keyboard focus from leaving the textfield by
	 * preventing the default behaviour of the browser. Fixes #4285.
	 */
	handleMouseDownEvent(event);
}
 

/**
 * Setting the type of Checkbox.
 */
public void setType(CheckBoxType type) {
    this.type = type;
    switch (type) {
        case FILLED:
            Element input = DOM.getChild(getElement(), 0);
            input.setAttribute("class", CssName.FILLED_IN);
            break;
        case INTERMEDIATE:
            addStyleName(type.getCssName() + "-checkbox");
            break;
        default:
            addStyleName(type.getCssName());
            break;
    }
}
 

public void testType() {
    // UiBinder
    // given
    MaterialCheckBox widget = getWidget(false);

    // when / then
    widget.setType(CheckBoxType.FILLED);
    assertEquals(CheckBoxType.FILLED, widget.getType());
    widget.setType(CheckBoxType.INTERMEDIATE);
    assertEquals(CheckBoxType.INTERMEDIATE, widget.getType());

    // Standard
    // given
    attachWidget();

    // when / then
    widget.setType(CheckBoxType.FILLED);
    Element cb = widget.getElement();
    Element input = DOM.getChild(cb, 0);
    assertTrue(input.hasClassName(CssName.FILLED_IN));
    widget.setType(CheckBoxType.INTERMEDIATE);
    assertTrue(widget.getElement().hasClassName(CheckBoxType.INTERMEDIATE.getCssName() + "-checkbox"));
}
 

public void testType() {
    // UiBinder
    // given
    MaterialRadioButton radioButton = getWidget(false);

    // when / then
    radioButton.setType(RadioButtonType.GAP);
    assertEquals(RadioButtonType.GAP, radioButton.getType());
    radioButton.setType(RadioButtonType.NO_GAP);
    assertEquals(RadioButtonType.NO_GAP, radioButton.getType());
    assertEquals("", radioButton.getType().getCssName());

    // Standard
    // given
    attachWidget();

    // when / then
    assertNotNull(DOM.getChild(radioButton.getElement(), 0));
    Element element = DOM.getChild(radioButton.getElement(), 0);
    radioButton.setType(RadioButtonType.GAP);
    assertTrue(element.hasClassName(RadioButtonType.GAP.getCssName()));
    radioButton.setType(RadioButtonType.NO_GAP);
    assertFalse(element.hasClassName(RadioButtonType.GAP.getCssName()));
    assertEquals("", radioButton.getType().getCssName());
}
 

/**
 * getSelectedElement
 */
public static Element getSelectedElement(Element element) {
	if (DOM.getFirstChild(element).getClassName().contains("gwt-TreeItem")) {
		// Case node without childs
		return DOM.getFirstChild(element);
	} else {
		return DOM.getChild(DOM.getChild(DOM.getChild(DOM.getChild(DOM.getChild(element, 0), 0), 0), 1), 0);
	}
}
 

public double getRealCellWidth(int colIdx) {
    if (colIdx >= tr.getChildCount()) {
        return -1;
    }

    Element cell = DOM.getChild(tr, colIdx);
    ComputedStyle cs = new ComputedStyle(cell);

    return cs.getWidth() + cs.getPaddingWidth() + cs.getBorderWidth();
}
 

private void swapRows(int r0, int r1) {
	if (r0 == r1) return;
	if (r0 > r1) {
		swapRows(r1, r0);
	} else { // r0 < r1
		Element body = getBodyElement();
		Element a = DOM.getChild(body, r0);
		Element b = DOM.getChild(body, r1);
		body.removeChild(a);
		body.removeChild(b);
		DOM.insertChild(body, b, r0);
		DOM.insertChild(body, a, r1);
	}
}
 

public String getStackText(int index) {
    if (index >= getWidgetCount()) {
        return null;
      }
      Element tdWrapper = DOM.getChild((Element) DOM.getChild(body, index * 2), 0);
      return DOM.getFirstChild(tdWrapper).getInnerText();
}
 

public String getStackText(int index) {
    if (index >= getWidgetCount()) {
        return null;
      }
      Element tdWrapper = DOM.getChild((Element) DOM.getChild(body, index * 2), 0);
      return DOM.getFirstChild(tdWrapper).getInnerText();
}
 

private void calcAndSetWidthForSpannedCell() {
    int cells = tHead.getVisibleCellCount();
    for (int i = 0; i < groupColIndex; i++) {
        int w = CubaGroupTableWidget.this.getColWidth(getColKeyByIndex(i));
        if (w < 0) {
            w = 0;
        }
        super.setCellWidth(i, w);
    }

    Element tr = getElement();

    int totalSpannedWidth = 0;
    for (int i = groupColIndex; i < cells; i++) {
        HeaderCell headerCell = tHead.getHeaderCell(i);

        int headerWidth = headerCell.getOffsetWidth() > headerCell.getWidth() + MAX_ROUNDING_DIFF
                ? headerCell.getWidth()
                : headerCell.getOffsetWidth();

        totalSpannedWidth += headerWidth;
    }

    Element td = DOM.getChild(tr, DOM.getChildCount(tr) - 1);

    Style wrapperStyle = td.getFirstChildElement().getStyle();
    WidgetUtil.setWidthExcludingPaddingAndBorder(td, totalSpannedWidth, 13, false);

    int wrapperWidth;
    ComputedStyle style = new ComputedStyle(td);
    if (style.getPaddingWidth() > 1.0) {
        // this is applied for havana theme, because it has vertical padding
        // for cell-container and width of TD element must be less, then whole row
        String tdWidthPx = td.getStyle().getWidth().replace("px", "");
        wrapperWidth = Integer.parseInt(tdWidthPx);
    } else {
        // this is applied for halo theme, because it hasn't vertical padding
        // for cell-container and width of TD element must be equal to whole row - 1px
        // 1px is the padding-left of :first-child
        wrapperWidth = totalSpannedWidth - 1;
    }

    if (BrowserInfo.get().isWebkit() || BrowserInfo.get().isOpera10()) {
        /*
         * Some versions of Webkit and Opera ignore the width definition of zero width table cells.
         * Instead, use 1px and compensate with a negative margin.
         */
        if (totalSpannedWidth == 0) {
            wrapperWidth = 1;
            wrapperStyle.setMarginRight(-1, Style.Unit.PX);
        } else {
            wrapperStyle.clearMarginRight();
        }
    }

    wrapperStyle.setPropertyPx("width", wrapperWidth);
}
 

protected CssTypeMixin<RadioButtonType, TypeWidget<RadioButtonType>> getTypeMixin() {
    if (typeMixin == null) {
        typeMixin = new CssTypeMixin<>(new TypeWidget<>(DOM.getChild(getElement(), 0)));
    }
    return typeMixin;
}