Java Code Examples for org.apache.wicket.Component#add()

@Override
protected void onBeforeRender() {
	activitiesView = new RepeatingView("activities");
	addOrReplace(activitiesView);
	Issue issue = getIssue();

	for (IssueActivity activity: getActivities()) {
		if (issue.isVisitedAfter(activity.getDate())) {
			activitiesView.add(newActivityRow(activitiesView.newChildId(), activity));
		} else {
			Component row = newActivityRow(activitiesView.newChildId(), activity);
			row.add(AttributeAppender.append("class", "new"));
			activitiesView.add(row);
		}
	}		
	
	super.onBeforeRender();
}
 

/**
 * Adds onclick attribute with "javascript:rowClick(this);".
 * @param row Html tr element.
 */
public static void addRowClick(final Component row)
{
  row.add(AttributeModifier.replace("onclick", "javascript:rowClick(this);"));
  // add marker css class for contextMenu javaScript
  row.add(new AttributeAppender("class", Model.of("withContextMenu"), " "));
}
 

private static void show(AjaxRequestTarget target, Component component)
{
    component.add(new DisplayNoneBehavior());

    String js = "$('#" + component.getMarkupId()
            + "').animate({'width': '+=100'},  100); $('#"
            + ((DropDownChoice) component).getMarkupId() + "').show();";
    target.appendJavaScript(js);
}
 

@Override
protected void onBind() {
	super.onBind();
	
	Component input = getComponent();
	input.add(AttributeAppender.append("class", "input-assist"));
	input.setOutputMarkupId(true);
}
 

private Component createSeoImage(final Component component, final SeoImage seoImage, final String lang) {
    if (seoImage != null) {

        final I18NWebSupport i18n = getI18NSupport();

        component.add(
                new AttributeModifier(HTML_ALT,
                        i18n.getFailoverModel(seoImage.getDisplayAlt(), seoImage.getAlt()).getValue(lang)),
                new AttributeModifier(HTML_TITLE,
                        i18n.getFailoverModel(seoImage.getDisplayTitle(), seoImage.getTitle()).getValue(lang))
        );

    }
    return component;
}
 

/**
 * Sets the html attribute placeholder.
 * @param component
 * @param value
 */
public static void setPlaceHolderAttribute(Component component, final String value)
{
  if (component instanceof ComponentWrapperPanel) {
    component = ((ComponentWrapperPanel) component).getFormComponent();
  }
  component.add(AttributeModifier.replace("placeholder", value));
}
 

/**
 * Helper to handle the value and style updates of the running total label
 *
 * @param runningTotal label component to update
 * @param runningTotalMessage error message component
 * @return
 */
private void updateRunningTotal(final Component runningTotal, final Component runningTotalMessage) {

	final List<CategoryDefinition> categories = this.model.getObject().getGradebookInformation().getCategories();

	BigDecimal total = BigDecimal.ZERO;
	for (final CategoryDefinition categoryDefinition : categories) {

		Double catWeight = categoryDefinition.getWeight();
		if (catWeight == null) {
			catWeight = 0D;
		}

		BigDecimal weight = BigDecimal.valueOf(catWeight);
		if (weight == null) {
			weight = BigDecimal.ZERO;
		}

		if (!categoryDefinition.getExtraCredit()) {
			total = total.add(weight);
		}
	}

	// if comparison passes, we have '1' as the value
	if (total.compareTo(BigDecimal.ONE) == 0) {
		runningTotal.add(new AttributeModifier("class", "text-success"));
		runningTotalMessage.setVisible(false);
	} else {
		runningTotal.add(new AttributeModifier("class", "text-danger"));
		runningTotalMessage.setVisible(true);
	}

	runningTotal.setDefaultModel(Model.of(FormatHelper.formatDoubleAsPercentage(total.doubleValue() * 100)));
}
 

@Override
protected void onBind() {
  super.onBind();
  Component c = getComponent();
  c.setOutputMarkupId(true);
  c.add(new AttributeAppender("class", new Model<String>("dg_" + id), " "));    
}
 

@Override
protected void onBind() {
  super.onBind();
  Component c = getComponent();
  c.setOutputMarkupId(true);
  c.add(new AttributeAppender("class", new Model<String>("do_" + id), " "));    
}
 

@Override
public void onInstantiation(Component component) {
	if(component instanceof Page) {
		component.add(new CustomizationBehavior());
	}
	
}
 

protected void addColumn(final WebMarkupContainer parent, final Component component, final String cssStyle)
{
  if (cssStyle != null) {
    component.add(AttributeModifier.append("style", new Model<String>(cssStyle)));
  }
  parent.add(component);
}
 

private void makeSearchComponentVisible(Component component, boolean isRowLabel) {
	component.setVisible(true);
	if (isRowLabel) {
		component.add(AttributeModifier.replace("class", "row-label row-bottom"));
	} else {
		component.add(AttributeModifier.replace("class", "row-bottom"));
	}
}
 

protected void addColumn(final WebMarkupContainer parent, final Component component, final String cssStyle)
{
  if (cssStyle != null) {
    component.add(AttributeModifier.append("style", new Model<String>(cssStyle)));
  }
  parent.add(component);
}
 

private void addCommitClass(Component item, int commitIndex) {
	item.add(AttributeAppender.append("class", " commit-item-" + commitIndex));
}
 

public static void append(final Component component, final RowCssClass... rowCssClasses)
{
  for (final RowCssClass rowCssClass : rowCssClasses) {
    component.add(AttributeModifier.append("class", rowCssClass.getCssClass()));
  }
}
 

public static Component setStrong(final Component component)
{
  component.add(AttributeModifier.append("style", "font-weight: bold;"));
  return component;
}
 

/**
 * Helper to add the tooltip when drop/keep settings cause a field to be disabled.
 *
 * @param textfield
 * @param usage determines which message bundle to use for title and aria-label
 */
private void addDropKeepDisabledToolTip(final Component textfield, final DropKeepUsage usage) {
	textfield.add(AttributeModifier.replace("title", new ResourceModel(usage.getMessage())));
	textfield.add(AttributeModifier.replace("aria-label", new ResourceModel(usage.getMessage())));
}
 

/**
 * Sets attribute font-size: style="font-size: 1.1em;";
 * @param component
 * @param size
 * @return This for chaining.
 */
public static Component setFontSizeLarge(final Component component)
{
  component.add(AttributeModifier.append("style", "font-size: 1.5em;"));
  return component;
}
 

/**
 * Helper to add the tooltip when drop/keep settings cause a field to be disabled.
 *
 * @param textfield
 * @param usage determines which message bundle to use for title and aria-label
 */
private void addDropKeepDisabledToolTip(final Component textfield, final DropKeepUsage usage) {
	textfield.add(AttributeModifier.replace("title", new ResourceModel(usage.getMessage())));
	textfield.add(AttributeModifier.replace("aria-label", new ResourceModel(usage.getMessage())));
}
 

/**
 * Helper to remove the tooltip from above
 *
 * @param textfield
 */
private void removeDropKeepDisabledToolTip(final Component textfield) {
	textfield.add(AttributeModifier.remove("title"));
	textfield.add(AttributeModifier.remove("aria-label"));
}