示例#1
0
  @Override
  public void onBrowserEvent(Event event) {
    if (disabled || readonly) {
      return;
    }
    final Element targ = DOM.eventGetTarget(event);

    if (DOM.eventGetType(event) == Event.ONMOUSEWHEEL) {
      processMouseWheelEvent(event);
    } else if (dragging || targ == handle) {
      processHandleEvent(event);
    } else if (targ == smaller) {
      decreaseValue(true);
    } else if (targ == bigger) {
      increaseValue(true);
    } else if (DOM.eventGetType(event) == Event.MOUSEEVENTS) {
      processBaseEvent(event);
    } else if ((BrowserInfo.get().isGecko() && DOM.eventGetType(event) == Event.ONKEYPRESS)
        || (!BrowserInfo.get().isGecko() && DOM.eventGetType(event) == Event.ONKEYDOWN)) {

      if (handleNavigation(event.getKeyCode(), event.getCtrlKey(), event.getShiftKey())) {

        feedbackPopup.show();

        delayedValueUpdater.trigger();

        DOM.eventPreventDefault(event);
        DOM.eventCancelBubble(event, true);
      }
    } else if (targ.equals(getElement()) && DOM.eventGetType(event) == Event.ONFOCUS) {
      feedbackPopup.show();
    } else if (targ.equals(getElement()) && DOM.eventGetType(event) == Event.ONBLUR) {
      feedbackPopup.hide();
    } else if (DOM.eventGetType(event) == Event.ONMOUSEDOWN) {
      feedbackPopup.show();
      processBaseEvent(event);
    }
    if (Util.isTouchEvent(event)) {
      event.preventDefault(); // avoid simulated events
      event.stopPropagation();
    }
    if (client != null) {
      client.handleTooltipEvent(event, this);
    }
  }
示例#2
0
  private void setValue(Double value, boolean updateToServer) {
    if (value == null) {
      return;
    }

    if (value < min) {
      value = min;
    } else if (value > max) {
      value = max;
    }

    // Update handle position
    final String styleAttribute = vertical ? "marginTop" : "marginLeft";
    final String domProperty = vertical ? "offsetHeight" : "offsetWidth";
    final int handleSize = Integer.parseInt(DOM.getElementProperty(handle, domProperty));
    final int baseSize =
        Integer.parseInt(DOM.getElementProperty(base, domProperty)) - (2 * BASE_BORDER_WIDTH);

    final int range = baseSize - handleSize;
    double v = value.doubleValue();

    // Round value to resolution
    if (resolution > 0) {
      v = Math.round(v * Math.pow(10, resolution));
      v = v / Math.pow(10, resolution);
    } else {
      v = Math.round(v);
    }
    final double valueRange = max - min;
    double p = 0;
    if (valueRange > 0) {
      p = range * ((v - min) / valueRange);
    }
    if (p < 0) {
      p = 0;
    }
    if (vertical) {
      // IE6 rounding behaves a little unstable, reduce one pixel so the
      // containing element (base) won't expand without limits
      p = range - p - (BrowserInfo.get().isIE6() ? 1 : 0);
    }
    final double pos = p;

    DOM.setStyleAttribute(handle, styleAttribute, (Math.round(pos)) + "px");

    // Update value
    this.value = new Double(v);
    setFeedbackValue(v);

    if (updateToServer) {
      updateValueToServer();
    }
  }