本文整理汇总了Java中javax.swing.JScrollBar.getModel方法的典型用法代码示例。如果您正苦于以下问题：Java JScrollBar.getModel方法的具体用法？Java JScrollBar.getModel怎么用？Java JScrollBar.getModel使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.swing.JScrollBar的用法示例。
在下文中一共展示了JScrollBar.getModel方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: maintainScrollBar
import javax.swing.JScrollBar; //导入方法依赖的package包/类
/**
*
*/
protected void maintainScrollBar(boolean horizontal, double factor,
boolean center)
{
JScrollBar scrollBar = (horizontal) ? getHorizontalScrollBar()
: getVerticalScrollBar();
if (scrollBar != null)
{
BoundedRangeModel model = scrollBar.getModel();
int newValue = (int) Math.round(model.getValue() * factor)
+ (int) Math.round((center) ? (model.getExtent()
* (factor - 1) / 2) : 0);
model.setValue(newValue);
}
}
示例2: scrollToCenter
import javax.swing.JScrollBar; //导入方法依赖的package包/类
/**
*
*/
public void scrollToCenter(boolean horizontal)
{
JScrollBar scrollBar = (horizontal) ? getHorizontalScrollBar()
: getVerticalScrollBar();
if (scrollBar != null)
{
final BoundedRangeModel model = scrollBar.getModel();
final int newValue = ((model.getMaximum()) / 2) - model.getExtent()
/ 2;
model.setValue(newValue);
}
}
示例3: maintainScrollBar
import javax.swing.JScrollBar; //导入方法依赖的package包/类
/**
*
*/
protected void maintainScrollBar(boolean horizontal, double factor, boolean center) {
JScrollBar scrollBar = (horizontal) ? getHorizontalScrollBar() : getVerticalScrollBar();
if (scrollBar != null) {
BoundedRangeModel model = scrollBar.getModel();
int newValue = (int) Math.round(model.getValue() * factor)
+ (int) Math.round((center) ? (model.getExtent() * (factor - 1) / 2) : 0);
model.setValue(newValue);
}
}
示例4: scrollToCenter
import javax.swing.JScrollBar; //导入方法依赖的package包/类
/**
*
*/
public void scrollToCenter(boolean horizontal) {
JScrollBar scrollBar = (horizontal) ? getHorizontalScrollBar() : getVerticalScrollBar();
if (scrollBar != null) {
final BoundedRangeModel model = scrollBar.getModel();
final int newValue = ((model.getMaximum()) / 2) - model.getExtent() / 2;
model.setValue(newValue);
}
}
示例5: checkScrollBar
import javax.swing.JScrollBar; //导入方法依赖的package包/类
private void checkScrollBar(AdjustmentEvent e) {
// The scroll bar listModel contains information needed to determine
// whether the viewport should be repositioned or not.
JScrollBar scrollBar = (JScrollBar) e.getSource();
BoundedRangeModel scrollBarModel = scrollBar.getModel();
int value = scrollBarModel.getValue();
int extent = scrollBarModel.getExtent();
int maximum = scrollBarModel.getMaximum();
boolean valueChanged = previousScrollBarValue != value;
boolean maximumChanged = previousScrollBarMaximum != maximum;
// Check if the user has manually repositioned the scrollbar
if (valueChanged && !maximumChanged) {
adjustScrollBar = value + extent >= maximum;
}
// Reset the "value" so we can reposition the viewport and
// distinguish between a user scroll and a program scroll.
// (ie. valueChanged will be false on a program scroll)
if (adjustScrollBar) {
// Scroll the viewport to the end.
scrollBar.removeAdjustmentListener(scrollBarAdjustmentListener);
value = maximum - extent;
scrollBar.setValue(value);
scrollBar.addAdjustmentListener(scrollBarAdjustmentListener);
}
previousScrollBarValue = value;
previousScrollBarMaximum = maximum;
}