com.google.gwt.core.client.Scheduler类的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中com.google.gwt.core.client.Scheduler类的一些代码示例，展示了Scheduler类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Scheduler类的具体详情如下：
包路径：com.google.gwt.core.client.Scheduler
类名称：Scheduler

Scheduler介绍

[英]This class provides low-level task scheduling primitives. Any exceptions thrown by the command objects executed by the scheduler will be passed to the GWT.UncaughtExceptionHandler if one is installed.

NOTE: If you are using a timer to schedule a UI animation, use com.google.gwt.animation.client.AnimationScheduler instead. The browser can optimize your animation for maximum performance.
[中]此类提供低级任务调度原语。调度器执行的命令对象引发的任何异常都将传递给GWT。UncaughtExceptionHandler（如果已安装）。
注意：如果使用计时器来安排UI动画，请使用com。谷歌。gwt。动画客户取而代之的是AnimationScheduler。浏览器可以优化动画以获得最佳性能。

代码示例

代码示例来源：origin: com.google.gwt/gwt-servlet

@Override
 public void resetFocus(ScheduledCommand command) {
  // Some browsers will not focus an element that was created in this event loop.
  Scheduler.get().scheduleDeferred(command);
 }
}

代码示例来源：origin: com.google.gwt/gwt-servlet

private static void schedule() {
 if (!needsInjection) {
  needsInjection = true;
  Scheduler.get().scheduleFinally(flusher);
 }
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Called when the object's drag sequence is complete.
 * 
 * @param event the touch event
 */
protected void onDragEnd(TouchEvent<?> event) {
 // There is no momentum or it isn't supported.
 if (momentum == null) {
  return;
 }
 // Schedule the momentum.
 Point endVelocity = calculateEndVelocity(recentTouchPosition, lastTouchPosition);
 if (endVelocity != null) {
  momentumCommand = new MomentumCommand(endVelocity);
  Scheduler.get().scheduleFixedDelay(momentumCommand, MS_PER_FRAME);
 }
}

代码示例来源：origin: com.googlecode.mgwt/mgwt

/**
 * A utility method to hide the soft keyboard
 */
public static void hideKeyBoard() {
 final Anchor anchor = new Anchor(" ");
 anchor.getElement().getStyle().setWidth(1, Unit.PX);
 anchor.getElement().getStyle().setHeight(1, Unit.PX);
 anchor.getElement().getStyle().setDisplay(Display.INLINE);
 anchor.getElement().getStyle().setFloat(Float.LEFT);
 RootPanel.get().add(anchor);
 anchor.setFocus(true);
 Scheduler.get().scheduleDeferred(new ScheduledCommand() {
  @Override
  public void execute() {
   anchor.removeFromParent();
  }
 });
}

代码示例来源：origin: com.github.gwtmaterialdesign/gwt-material-table

Style style = row.getElement().getStyle();
  style.setDisplay(Display.NONE);
  style.setProperty("height", getExpectedRowHeight() + "px");
  style.setProperty("maxHeight", getExpectedRowHeight() + "px");
  style.setProperty("minHeight", getExpectedRowHeight() + "px");
  row.setStyleName(TableCssName.DATA_ROW);
    expandIcon.setIconType(IconType.KEYBOARD_ARROW_DOWN);
    expandIcon.setWaves(WavesType.LIGHT);
    expandIcon.getElement().getStyle().setCursor(Cursor.POINTER);
    expand.add(expandIcon);
Scheduler.get().scheduleDeferred(() -> {
  calculateRowHeight(rowComponent);
});

代码示例来源：origin: com.github.gwtmaterialdesign/gwt-material-addins

public void minimize(MaterialOverlay overlay) {
  if (!maximized) {
    MaterialPathAnimator animator = new MaterialPathAnimator();
    animator.setReverseCallback(() -> {
      register(overlay);
      overlay.getElement().getStyle().setVisibility(Style.Visibility.HIDDEN);
      overlay.getElement().getStyle().setOpacity(0);
    });
    animator.setSourceElement(activator.getElement());
    animator.setTargetElement(overlay.getElement());
    animator.reverseAnimate();
    body().attr("style", "overflow: auto !important");
  } else {
    Scheduler.get().scheduleDeferred(() -> {
      overlays.stream().filter(other -> other != overlay).forEach(other -> other.removeStyleName(AddinsCssName.HIDDEN));
      overlay.removeStyleName(AddinsCssName.MAXIMIZE);
    });
  }
  maximized = false;
}

代码示例来源：origin: com.google.gwt/gwt-servlet

@Override
 public void setCaption(
   final FieldSetElement fieldset,
   Element legend,
   @IsSafeHtml String caption,
   boolean asHTML) {
  fieldset.getStyle().setProperty("visibility", "hidden");
  super.setCaption(fieldset, legend, caption, asHTML);
  Scheduler.get().scheduleDeferred(new ScheduledCommand() {
   public void execute() {
    fieldset.getStyle().setProperty("visibility", "");
   }
  });
 }
}

代码示例来源：origin: oVirt/ovirt-engine

protected void addRootNode(final TreeItem rootItem, final TreeItem leafItem) {
  rootItem.getElement().getStyle().setBackgroundColor("#eff3ff"); //$NON-NLS-1$
  rootItem.getElement().getStyle().setMarginBottom(1, Unit.PX);
  rootItem.getElement().getStyle().setPadding(0, Unit.PX);
  if (leafItem != null) {
    rootItem.addItem(leafItem);
    // Defer styling in order to override padding done in:
    // com.google.gwt.user.client.ui.Tree -> showLeafImage
    Scheduler.get().scheduleDeferred(() -> {
      leafItem.getElement().getStyle().setBackgroundColor("#ffffff"); //$NON-NLS-1$
      leafItem.getElement().getStyle().setMarginLeft(20, Unit.PX);
      leafItem.getElement().getStyle().setPadding(0, Unit.PX);
      Boolean isLeafEmpty = (Boolean) leafItem.getUserObject();
      if (isLeafEmpty != null && isLeafEmpty.equals(Boolean.TRUE)) {
        rootItem.getElement().getElementsByTagName("td").getItem(0).getStyle().setVisibility(Visibility.HIDDEN); //$NON-NLS-1$
      }
      rootItem.getElement().getElementsByTagName("td").getItem(1).getStyle().setWidth(100, Unit.PCT); //$NON-NLS-1$
    });
  }
  tree.addItem(rootItem);
}

代码示例来源：origin: org.drools/drools-wb-guided-dtable-editor-client

@Inject
public PopOverViewImpl( final TranslationService translator ) {
  div.setId( DOM.createUniqueId() );
  div.getStyle().setPosition( Style.Position.ABSOLUTE );
  div.getStyle().setWidth( 1,
               Style.Unit.PX );
  div.setAttribute( "title",
           translator.getTranslation( GuidedDecisionTableErraiConstants.PopOverViewImpl_Title ) );
  div.setAttribute( "data-toggle",
           "popover" );
  RootPanel.get().getElement().appendChild( div );
  Scheduler.get().scheduleDeferred( () -> initPopover( div.getId() ) );
}

代码示例来源：origin: org.uberfire/uberfire-widgets-commons

public PagedTable(final int pageSize,
         final ProvidesKey<T> providesKey,
         final GridGlobalPreferences gridGlobalPreferences,
         final boolean showPageSizesSelector,
         final boolean showFFButton,
         final boolean showLButton) {
  super(providesKey,
     gridGlobalPreferences);
  this.showPageSizesSelector = showPageSizesSelector;
  this.pageSize = pageSize;
  this.dataGrid.setPageStart(0);
  this.dataGrid.setPageSize(pageSize);
  this.pager.setDisplay(dataGrid);
  this.pageSizesSelector.setVisible(this.showPageSizesSelector);
  setShowFastFordwardPagerButton(showFFButton);
  setShowLastPagerButton(showLButton);
  this.pageSizesSelector.addValueChangeHandler(event -> {
    storePageSizeInGridPreferences(Integer.parseInt(pageSizesSelector.getValue()));
    loadPageSizePreferences();
  });
  loadPageSizePreferences();
  dataGrid.addRedrawHandler(() -> Scheduler.get().scheduleDeferred(() -> setTableHeight()));
  dataGrid.getElement().getStyle().setMarginBottom(0,
                           Style.Unit.PX);
}

代码示例来源：origin: org.eclipse.che.core/che-core-ide-ui

final int VERTICAL_OFFSET = 1;
openedSubPopup.getElement().getStyle().setVisibility(Visibility.HIDDEN);
lockLayer.add(openedSubPopup, 0, 0);
Scheduler.get()
  .scheduleDeferred(
    () -> {
     int left = getAbsoluteLeft() + getOffsetWidth() - HORIZONTAL_OFFSET;
     openedSubPopup.getElement().getStyle().setLeft(left, Unit.PX);
     openedSubPopup.getElement().getStyle().setTop(top, Unit.PX);
     openedSubPopup.getElement().getStyle().setVisibility(Visibility.VISIBLE);
    });

代码示例来源：origin: fr.putnami.pwt/pwt

public void show() {
  this.ensureDismissButton();
  this.redraw();
  this.visible = true;
  Widget modal = getContainerWidget();
  if (modal.isAttached()) {
    modal.removeFromParent();
  }
  Modal.MODAL_BACKDROP.show();
  this.getElement().getStyle().setDisplay(Display.BLOCK);
  RootPanel rootPanel = RootPanel.get();
  rootPanel.add(modal);
  StyleUtils.addStyle(rootPanel, Modal.STYLE_MODAL_OPEN);
  Scheduler.get().scheduleFixedDelay(new RepeatingCommand() {
    @Override
    public boolean execute() {
      StyleUtils.addStyle(Modal.this, Modal.STYLE_VISIBLE);
      return false;
    }
  }, 150);
}

代码示例来源：origin: com.github.gwtmaterialdesign/gwt-material-addins

viewportOverflow = docStyle.getOverflow();
docStyle.setProperty("overflow", "hidden");
  focusElement.getStyle().setProperty("boxShadow", "0px 0px 0px 0rem " + computedBackgroundColor);
  Scheduler.get().scheduleDeferred(() -> {
    focusElement.getStyle().setProperty("boxShadow", "0px 0px 0px " + backgroundSize + " " + computedBackgroundColor);
  });
getElement().getStyle().clearDisplay();

代码示例来源：origin: org.drools/drools-wb-guided-dtable-editor-client

@Override
public void run() {
  Scheduler.get().scheduleDeferred( () -> {
    provider.getContent( ( c ) -> {
      div.setAttribute( "data-content",
               c.getContent() );
      div.getStyle().setLeft( c.getX(),
                  Style.Unit.PX );
      div.getStyle().setTop( c.getY(),
                  Style.Unit.PX );
      showPopover( div.getId() );
    } );
  } );
}

代码示例来源：origin: org.eclipse.che.core/che-core-ide-app

"contextMenu");
popupMenu.getElement().getStyle().setProperty("opacity", "0");
popupMenu.getElement().getStyle().setProperty("transition", "opacity 0.5s ease");
Scheduler.get()
  .scheduleDeferred(
    new Scheduler.ScheduledCommand() {
     @Override

代码示例来源：origin: oVirt/ovirt-engine

private void initiateDownload(ImageTransfer imageTransfer) {
  String url = imageTransfer.getProxyUri() + "/" + imageTransfer.getImagedTicketId(); //$NON-NLS-1$
  log.info("Initiating download: " + url); //$NON-NLS-1$
  // Invoke download
  Frame frame = new Frame(url);
  frame.addLoadHandler(loadEvent -> Scheduler.get().scheduleDeferred(() ->
      RootPanel.get().remove(frame)));
  frame.getElement().getStyle().setDisplay(Style.Display.NONE);
  RootPanel.get().add(frame);
}

代码示例来源：origin: info.magnolia.ui/magnolia-ui-vaadin-common-widgets

private void enableLazyScroller() {
  Scheduler.get().scheduleDeferred(lazyScroller);
  lazyScrollerIsActive = true;
  // prevent scrolling to jump in IE11
  scrollBodyPanel.getElement().getStyle().setOverflowX(Overflow.HIDDEN);
  scrollBodyPanel.getElement().getStyle().setOverflowY(Overflow.HIDDEN);
}

代码示例来源：origin: org.uberfire/uberfire-workbench-client-views-patternfly

@Override
  public void onClick(ClickEvent event) {
    CloseEvent.fire(PartListDropdown.this,
            part);
    //Keep dropdown menu open when removing parts
    boolean openMenu = PartListDropdown.this.getElement().hasClassName("open");
    if (openMenu) {
      Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
        @Override
        public void execute() {
          PartListDropdown.this.getElement().addClassName("open");
        }
      });
    }
  }
},

代码示例来源：origin: com.haulmont.cuba/cuba-web-toolkit

public void setDropZone(final Widget dropZone, String dropZonePrompt) {
  if (dropZone != null) {
    Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
      @Override
      public void execute() {
        fileUpload.setDropZone(dropZone.getElement());
      }
    });
    dropZone.getElement().setAttribute("dropzone-prompt", dropZonePrompt != null ? dropZonePrompt : "");
  } else {
    fileUpload.setDropZone(null);
  }
}

代码示例来源：origin: com.github.gwtmaterialdesign/gwt-material-table

row.getWidget().getElement().getStyle().clearDisplay();
Scheduler.get().scheduleFixedDelay(() -> {
  if (tbody.$this().is(":visible")) {
    subheaderLib.recalculate(true);

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