C++ Element::GetTagName方法代码示例

void ElementLabel::ProcessEvent(Core::Event& event)
{
	// Detect click events
	if (event.GetTargetElement() == this &&	(event == "click"))
	{
		if (this->HasAttribute("for"))
		{
			Core::Element* forElement = this->GetOwnerDocument()->GetElementById(this->GetAttribute<Core::String>("for", ""));
			if (forElement != NULL)
			{
				forElement->ProcessEvent(event);
			}
		}
		else
		{
			//Note that we have to loop since the ElementFormControlInput class does not pass its OnChildAdded to the superclass.
			//We don't want to modify things too much, so we will just loop when clicked searching for the child input, not really
			//a big deal.
			int childCount = this->GetNumChildren();
			Core::Element* child;
			for (int i = 0; i < childCount; ++i)
			{
				child = this->GetChild(i);
				if (child->GetTagName() == "input")
				{
					child->ProcessEvent(event);
					i = childCount; //break loop
				}
			}
		}
	}

	Element::ProcessEvent(event);
}

void ElementInfo::UpdateSourceElement()
{
	// Set the title:
	Core::Element* title_content = GetElementById("title-content");
	if (title_content != NULL)
	{
		if (source_element != NULL)
			title_content->SetInnerRML(source_element->GetTagName());
		else
			title_content->SetInnerRML("Element Information");
	}

	// Set the attributes:
	Core::Element* attributes_content = GetElementById("attributes-content");
	if (attributes_content)
	{
		int index = 0;
		Core::String name;
		Core::String value;
		Core::String attributes;

		if (source_element != NULL)
		{
			while (source_element->IterateAttributes(index, name, value))
				attributes.Append(Core::String(name.Length() + value.Length() + 32, "%s: <em>%s</em><br />", name.CString(), value.CString()));
		}

		if (attributes.Empty())
		{
			while (attributes_content->HasChildNodes())
				attributes_content->RemoveChild(attributes_content->GetChild(0));
		}
		else
			attributes_content->SetInnerRML(attributes);
	}

	// Set the properties:
	Core::Element* properties_content = GetElementById("properties-content");
	if (properties_content)
	{
		Core::String properties;
		if (source_element != NULL)
			BuildElementPropertiesRML(properties, source_element, source_element);

		if (properties.Empty())
		{
			while (properties_content->HasChildNodes())
				properties_content->RemoveChild(properties_content->GetChild(0));
		}
		else
			properties_content->SetInnerRML(properties);
	}

	// Set the position:
	Core::Element* position_content = GetElementById("position-content");
	if (position_content)
	{
		// left, top, width, height.
		if (source_element != NULL)
		{
			Core::Vector2f element_offset = source_element->GetRelativeOffset(Core::Box::BORDER);
			Core::Vector2f element_size = source_element->GetBox().GetSize(Core::Box::BORDER);

			Core::String positions;
			positions.Append(Core::String(64, "left: <em>%.0fpx</em><br />", element_offset.x));
			positions.Append(Core::String(64, "top: <em>%.0fpx</em><br />", element_offset.y));
			positions.Append(Core::String(64, "width: <em>%.0fpx</em><br />", element_size.x));
			positions.Append(Core::String(64, "height: <em>%.0fpx</em><br />", element_size.y));

			position_content->SetInnerRML(positions);
		}
		else
		{
			while (position_content->HasChildNodes())
				position_content->RemoveChild(position_content->GetFirstChild());
		}
	}

	// Set the ancestors:
	Core::Element* ancestors_content = GetElementById("ancestors-content");
	if (ancestors_content)
	{
		Core::String ancestors;
		Core::Element* element_ancestor = NULL;
		if (source_element != NULL)
			element_ancestor = source_element->GetParentNode();

		int ancestor_depth = 1;
		while (element_ancestor)
		{
			Core::String ancestor_name = element_ancestor->GetTagName();
			const Core::String ancestor_id = element_ancestor->GetId();
			if (!ancestor_id.Empty())
			{
				ancestor_name += "#";
				ancestor_name += ancestor_id;
			}

			ancestors.Append(Core::String(ancestor_name.Length() + 32, "<p id=\"a %d\">%s</p>", ancestor_depth, ancestor_name.CString()));
			element_ancestor = element_ancestor->GetParentNode();
//.........这里部分代码省略.........