Java SafeStylesUtils类代码示例

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
private void createClosedArrowAndFolderSafeHtml(SafeHtmlBuilder sb,
		SafeStyles imgStyle) {
	SafeHtml rendered;
	if (currentRow.getChildren().size() != 0) {
		rendered = nodeImageTemplate.cell("ICON_ARROW__CLOSE", imgStyle,
				ICON_ARROW_CLOSE);
	} else {
		SafeStyles imageWidthStyle = SafeStylesUtils
				.fromTrustedString("float:left;width:16.0px;");
		rendered = nodeImageTemplate.cell("ICON_ARROW__CLOSE",
				imageWidthStyle, ICON_CLEAR);
	}
	sb.append(rendered);
	if (treeGrid.isSelectable()) {
		createCheckBoxImg(sb, imgStyle);
	}
	rendered = nodeImageTemplate.cell("ICON_FOLDER__CLOSE", imgStyle,
			ICON_FOLDER_CLOSE);
	sb.append(rendered);
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public static String decorate(SafeHtml toDecorate, String aId, PublishedCell aCell, VerticalAlignmentConstant valign, SafeHtmlBuilder sb) {
	SafeStylesBuilder stb = new SafeStylesBuilder();
	SafeUri imgSrc = null;
	if (aCell != null) {
		stb.append(SafeStylesUtils.fromTrustedString(aCell.toStyledWOBackground()));
		if (aCell.getIcon() != null) {
			ImageResource icon = aCell.getIcon();
			imgSrc = icon.getSafeUri();
		}
	}
	String decorId;
	if (aId != null && !aId.isEmpty()) {
		decorId = aId;
	} else {
		decorId = Document.get().createUniqueId();
	}
	if (imgSrc != null)
		sb.append(RenderedEditorCell.PaddedCell.INSTANCE.generate(stb.toSafeStyles(), imgSrc, decorId, toDecorate));
	else
		sb.append(RenderedEditorCell.PaddedCell.INSTANCE.generate(stb.toSafeStyles(), decorId, toDecorate));
	return decorId;
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
private void createClearIcon(SafeHtmlBuilder sb, SafeStyles imgStyle,
		int times) {
	imageWidthStyle = SafeStylesUtils
			.fromTrustedString("float:left;width:16.0px;");
	for (int i = 0; i < times; i++) {
		rendered = nodeImageTemplate.cell("ICON_ARROW__CLOSE",
				imageWidthStyle, ICON_CLEAR);
		sb.append(rendered);
	}
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
/**
 * @param sb
 * @param imgStyle
 */
@SuppressWarnings("unchecked")
private void createCheckBoxImg(SafeHtmlBuilder sb, SafeStyles imgStyle) {

	imageWidthStyle = SafeStylesUtils
			.fromTrustedString("float:left;width:16.0px;margin-right:2px;");
	SelectionModel<T> sm = (SelectionModel<T>) treeGrid.getSelectionModel();
	boolean selected = sm.isSelected(currentRow);
	if (selected) {
		if (currentRow.getChildren().size() > 0) {
			if (currentRow.isChidlrenSelected()) {
				rendered = nodeImageTemplate.cell("ICON_CHECKBOX",
						imageWidthStyle, ICON_CHECHBOX_CHILDS_SELECTED);
			} else {
				rendered = nodeImageTemplate.cell("ICON_CHECKBOX",
						imageWidthStyle, ICON_CHECHBOX_TRUE);
			}
		} else {
			rendered = nodeImageTemplate.cell("ICON_CHECKBOX",
					imageWidthStyle, ICON_CHECHBOX_TRUE);
		}
	} else {
		rendered = nodeImageTemplate.cell("ICON_CHECKBOX", imageWidthStyle,
				ICON_CHECHBOX_FALSE);
	}
	sb.append(rendered);
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
protected void render(com.google.gwt.cell.client.Cell.Context context,
		SafeHtml data, SafeHtmlBuilder sb) {
	currentRow = (T) treeGrid.getDataStore().getList()
			.get(context.getIndex());
	/*
	 * Always do a null check on the value. Cell widgets can pass null to
	 * cells if the underlying data contains a null, or if the data arrives
	 * out of order.
	 */
	if (data == null) {
		return;
	}

	// generate the image cell
	SafeStyles imgStyle = SafeStylesUtils
			.fromTrustedString("float:left;cursor:hand;cursor:pointer;");
	SafeStyles valueStyle = SafeStylesUtils
			.fromTrustedString("float:left;");
	SafeHtml rendered;
	if (currentRow.getChildren().size() > 0) {
		createClearIcon(sb, imgStyle, currentRow.getLevel());
		if (!currentRow.isExpand()) {
			createClosedArrowAndFolderSafeHtml(sb, imgStyle);
		} else {
			createOpenArrowAndFolderSafeHtml(sb, imgStyle);
		}
	} else {
		createClearIcon(sb, imgStyle, currentRow.getLevel() + 1);
		if (treeGrid.isSelectable()) {
			createCheckBoxImg(sb, imgStyle);
		}
		createLeafSafeHtml(sb, imgStyle);
	}
	// generate the value cell
	rendered = nodeImageTemplate.cellNode("EXPANDABLE_VALUE", valueStyle,
			SafeHtmlUtils.fromString(data.asString()));
	sb.append(rendered);
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public void addMenuItem(ImageResource image, String text,
        final ActionMenuItemListener<T> listener) {
    SafeHtml html = null;
    if (image != null) {
        SafeUri uri = image.getSafeUri();
        int left = image.getLeft();
        int top = image.getTop();
        int width = image.getWidth();
        int height = image.getHeight();
        int paddingRight = width + 8;

        String background = "url(\"" + uri.asString() + "\") no-repeat "
                + (-left + "px ") + (-top + "px");

        SafeStylesBuilder builder = new SafeStylesBuilder();
        builder.trustedNameAndValue("background", background)
                .width(width, Unit.PX).height(height, Unit.PX)
                .paddingRight(paddingRight, Unit.PX);

        SafeStyles style = SafeStylesUtils.fromTrustedString(builder
                .toSafeStyles().asString());

        html = template.menuImageItemContent(style, text);
    } else {
        html = template.menuItemContent(text);
    }
    final MenuItem item = new MenuItem(html, new Command() {

        @Override
        public void execute() {
            if (actionsPopup != null && actionsPopup.isVisible())
                actionsPopup.hide();
            listener.onMenuItemSelected(currentValue);
        }

    });

    menu.addItem(item);
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public ActionButtonCell(ImageResource imageResource,
        String text,
        boolean small,
        ActionListener<T> listener,
        ActionValidator<T> validator) {
    super(CLICK, KEYDOWN);
    this.listener = listener;
    this.validator = validator;
    if (template == null) {
        template = GWT.create(Template.class);
    }
    SafeUri uri = imageResource.getSafeUri();
    int width = imageResource.getWidth();
    int height = imageResource.getHeight();
    int paddingLeft = width;

    String background = "url(\"" + uri.asString() + "\") no-repeat scroll right center";

    SafeStylesBuilder builder = new SafeStylesBuilder();
    builder
    .trustedNameAndValue("background", background)
    .width(width, Unit.PX)
    .height(height, Unit.PX)
    .paddingLeft(paddingLeft, Unit.PX);

    SafeStyles style = SafeStylesUtils.fromTrustedString(builder.toSafeStyles().asString());
    if (small) {
        this.actionButtonHtml = template.actionButtonSmall(Utils.avroUiStyle.cellButton(), 
                Utils.avroUiStyle.cellButtonSmall(), text, style);
    } else {
        this.actionButtonHtml = template.actionButton(Utils.avroUiStyle.cellButton(), text, style);
    }
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public FilterTextInputCell(double width, Unit widthUnit) {
  super(BrowserEvents.BLUR, BrowserEvents.CHANGE, BrowserEvents.KEYUP, PASTE);
  if (template == null) {
    template = GWT.create(Template.class);
  }
  if (width > 0) {
      inputStyle = SafeStylesUtils.forWidth(width, widthUnit);
  }
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
@Override
public void render(Context context, String value, SafeHtmlBuilder sb) {
  // Get the view data.
  Object key = context.getKey();
  ValidationData viewData = getViewData(key);
  if (viewData != null && viewData.getValue().equals(value)) {
    // Clear the view data if the value is the same as the current value.
    clearViewData(key);
    viewData = null;
  }

  /*
   * If viewData is null, just paint the contents black. If it is non-null,
   * show the pending value and paint the contents red if they are known to
   * be invalid.
   */
  String pendingValue = (viewData == null) ? null : viewData.getValue();
  boolean invalid = (viewData == null) ? false : viewData.isInvalid();

  String color = pendingValue != null ? (invalid ? "red" : "blue") : "black";
  SafeStyles safeColor = SafeStylesUtils.fromTrustedString("color: " + color + ";");
  sb.append(template.input(pendingValue != null ? pendingValue : value, safeColor));

  if (invalid) {
    sb.appendHtmlConstant("&nbsp;<span style='color:red;'>");
    sb.append(errorMessage);
    sb.appendHtmlConstant("</span>");
  }
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public SafeHtml getSafeHtml(SafeUri url,int left,int top,int width,int height)
{
String style = "width: " + width + "px; height: " + height + "px; background: url("
    + url.asString() + ") " + "no-repeat " + (-left + "px ")
    + (-top + "px;") + "background-size: "+ width + "px " + height + "px;";

return getTemplate().image(clearImage, SafeStylesUtils.fromTrustedString(style));
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public void addMenuItem(ImageResource image, String text,
        final ActionMenuItemListener listener) {

    SafeHtml html = null;
    if (image != null) {
        SafeUri uri = image.getSafeUri();
        int left = image.getLeft();
        int top = image.getTop();
        int width = image.getWidth();
        int height = image.getHeight();
        int paddingRight = width + 8;

        String background = "url(\"" + uri.asString() + "\") no-repeat "
                + (-left + "px ") + (-top + "px");

        SafeStylesBuilder builder = new SafeStylesBuilder();
        builder.trustedNameAndValue("background", background)
                .width(width, Unit.PX).height(height, Unit.PX)
                .paddingRight(paddingRight, Unit.PX);

        SafeStyles style = SafeStylesUtils.fromTrustedString(builder
                .toSafeStyles().asString());

        html = template.menuImageItemContent(style, text);
    }
    else {
        html = template.menuItemContent(text);
    }
    MenuItem item = new MenuItem(html, new Command() {

        @Override
        public void execute() {
            if (actionsPopup != null && actionsPopup.isVisible())
                actionsPopup.hide();
            listener.onMenuItemSelected();
        }

    });

    menu.addItem(item);
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
public HandlerRegistration addMenuItem(ImageResource image, String text,
        final ActionMenuItemListener listener) {

    SafeHtml html = null;
    if (image != null) {
        SafeUri uri = image.getSafeUri();
        int left = image.getLeft();
        int top = image.getTop();
        int width = image.getWidth();
        int height = image.getHeight();
        int paddingRight = width + 8;

        String background = "url(\"" + uri.asString() + "\") no-repeat "
                + (-left + "px ") + (-top + "px");

        SafeStylesBuilder builder = new SafeStylesBuilder();
        builder.trustedNameAndValue("background", background)
                .width(width, Unit.PX).height(height, Unit.PX)
                .paddingRight(paddingRight, Unit.PX);

        SafeStyles style = SafeStylesUtils.fromTrustedString(builder
                .toSafeStyles().asString());

        html = template.menuImageItemContent(style, text);
    }
    else {
        html = template.menuItemContent(text);
    }
    final MenuItem item = new MenuItem(html, new Command() {

        @Override
        public void execute() {
            if (actionsPopup != null && actionsPopup.isVisible())
                actionsPopup.hide();
            listener.onMenuItemSelected();
        }

    });

    menu.addItem(item);
    HandlerRegistration registration = new HandlerRegistration() {
        
        @Override
        public void removeHandler() {
            menu.removeItem(item);
            
        }
    };
    return registration;
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
/**
 * Add menu item.
 *
 * @param image     the image
 * @param text      the text
 * @param listener  the listener
 */
public void addMenuItem(ImageResource image, String text,
                        final ActionMenuItemListener listener) {

  SafeHtml html = null;
  if (image != null) {
    SafeUri uri = image.getSafeUri();
    int left = image.getLeft();
    int top = image.getTop();
    int width = image.getWidth();
    int height = image.getHeight();
    int paddingRight = width + 8;

    String background = "url(\"" + uri.asString() + "\") no-repeat "
        + (-left + "px ") + (-top + "px");

    SafeStylesBuilder builder = new SafeStylesBuilder();
    builder.trustedNameAndValue("background", background)
        .width(width, Unit.PX).height(height, Unit.PX)
        .paddingRight(paddingRight, Unit.PX);

    SafeStyles style = SafeStylesUtils.fromTrustedString(builder
        .toSafeStyles().asString());

    html = template.menuImageItemContent(style, text);
  } else {
    html = template.menuItemContent(text);
  }
  MenuItem item = new MenuItem(html, new Command() {

    @Override
    public void execute() {
      if (actionsPopup != null && actionsPopup.isVisible()) {
        actionsPopup.hide();
      }
      listener.onMenuItemSelected();
    }

  });

  menu.addItem(item);
}
 

import com.google.gwt.safecss.shared.SafeStylesUtils; //导入依赖的package包/类
@Override
protected void renderRowValues(SafeHtmlBuilder sb, List<T> values, int start,
                               SelectionModel<? super T> selectionModel) {
  Cell<T> cell = getCell();
  String keyboardSelectedItem = " " + style.cellBrowserKeyboardSelectedItem();
  String selectedItem = " " + style.cellBrowserSelectedItem();
  String openItem = " " + style.cellBrowserOpenItem();
  String evenItem = style.cellBrowserEvenItem();
  String oddItem = style.cellBrowserOddItem();
  int keyboardSelectedRow = getKeyboardSelectedRow() + getPageStart();
  int length = values.size();
  int end = start + length;
  for (int i = start; i < end; i++) {
    T value = values.get(i - start);
    boolean isSelected = selectionModel == null ? false : selectionModel.isSelected(value);
    boolean isOpen = isOpen(i);
    StringBuilder classesBuilder = new StringBuilder();
    classesBuilder.append(i % 2 == 0 ? evenItem : oddItem);
    if (isOpen) {
      classesBuilder.append(openItem);
    }
    if (isSelected) {
      classesBuilder.append(selectedItem);
    }

    SafeHtmlBuilder cellBuilder = new SafeHtmlBuilder();
    Context context = new Context(i, 0, getValueKey(value));
    cell.render(context, value, cellBuilder);

    // Figure out which image to use.
    SafeHtml image;
    if (isOpen) {
      image = openImageHtml;
    } else if (isLeaf(value)) {
      image = LEAF_IMAGE;
    } else {
      image = closedImageHtml;
    }

    SafeStyles padding =
            SafeStylesUtils.fromTrustedString("padding-right: " + imageWidth + "px;");
    if (i == keyboardSelectedRow) {
      // This is the focused item.
      if (isFocused) {
        classesBuilder.append(keyboardSelectedItem);
      }
      char accessKey = getAccessKey();
      if (accessKey != 0) {
        sb.append(template.divFocusableWithKey(i, classesBuilder.toString(), padding,
                                               getTabIndex(), getAccessKey(), image, cellBuilder.toSafeHtml()));
      } else {
        sb.append(template.divFocusable(i, classesBuilder.toString(), padding, getTabIndex(),
                                        image, cellBuilder.toSafeHtml()));
      }
    } else {
      sb.append(template.div(i, classesBuilder.toString(), padding, image, cellBuilder
              .toSafeHtml()));
    }
  }

  // Update the child state.
  updateChildState(this, true);
}