end
# Is the HTML element a void element?
+ #
+ # assert (new HTMLTag("img")).is_void == true
+ # assert (new HTMLTag("p")).is_void == false
var is_void: Bool
init with_attrs(tag: String, attrs: Map[String, String]) do
var attrs: Map[String, String] = new HashMap[String, String]
# Get the attributed value of 'prop' or null if 'prop' is undifened
+ # var img = new HTMLTag("img")
+ # img.attr("src", "./image.png").attr("alt", "image")
+ # assert img.get_attr("src") == "./image.png"
fun get_attr(key: String): nullable String do
if not attrs.has_key(key) then return null
return attrs[key]
end
# Set a 'value' for 'key'
- # var img = new HTMLTag("img")
- # img.attr("src", "./image.png").attr("alt", "image")
+ # var img = new HTMLTag("img")
+ # img.attr("src", "./image.png").attr("alt", "image")
+ # assert img.write_to_string == """<img src="./image.png" alt="image"/>"""
fun attr(key: String, value: String): HTMLTag do
attrs[key] = value
return self
end
# Add a CSS class to the HTML tag
- # var img = new HTMLTag("img")
- # img.add_class("logo").add_class("fullpage")
+ # var img = new HTMLTag("img")
+ # img.add_class("logo").add_class("fullpage")
+ # assert img.write_to_string == """<img class="logo fullpage"/>"""
fun add_class(klass: String): HTMLTag do
classes.add(klass)
return self
end
+
+ # CSS classes
var classes: Set[String] = new HashSet[String]
# Add multiple CSS classes
+ # var img = new HTMLTag("img")
+ # img.add_classes(["logo", "fullpage"])
+ # assert img.write_to_string == """<img class="logo fullpage"/>"""
fun add_classes(classes: Collection[String]): HTMLTag do
self.classes.add_all(classes)
return self
end
# Set a CSS 'value' for 'prop'
- # var img = new HTMLTag("img")
- # img.css("border", "2px solid black").css("position", "absolute")
+ # var img = new HTMLTag("img")
+ # img.css("border", "2px solid black").css("position", "absolute")
+ # assert img.write_to_string == """<img style="border: 2px solid black; position: absolute"/>"""
fun css(prop: String, value: String): HTMLTag do
css_props[prop] = value
return self
private var css_props: Map[String, String] = new HashMap[String, String]
# Get CSS value for 'prop'
+ # var img = new HTMLTag("img")
+ # img.css("border", "2px solid black").css("position", "absolute")
+ # assert img.get_css("border") == "2px solid black"
+ # assert img.get_css("color") == null
fun get_css(prop: String): nullable String do
if not css_props.has_key(prop) then return null
return css_props[prop]
end
+ # Replace `self` by `parent`.
+ #
+ # var elem = new HTMLTag("li")
+ # elem.add_outer(new HTMLTag("ul"))
+ # assert elem.write_to_string == "<ul><li></li></ul>"
+ fun add_outer(parent: HTMLTag) do
+ # copy self in new object
+ var child = new HTMLTag(self.tag)
+ child.attrs = self.attrs
+ child.classes = self.classes
+ child.css_props = self.css_props
+ child.children = self.children
+ # add copy in parent children elements
+ parent.children.add(child)
+ # replace self by parent
+ self.tag = parent.tag
+ self.attrs = parent.attrs
+ self.classes = parent.classes
+ self.css_props = parent.css_props
+ self.is_void = parent.is_void
+ self.children = parent.children
+ end
+
# Add a HTML 'child' to self
- # var ul = new HTMLTag("ul")
- # ul.add(new HTMLTag("li"))
- fun add(child: HTMLTag) do children.add(child)
+ # var ul = new HTMLTag("ul")
+ # ul.add(new HTMLTag("li"))
+ # assert ul.write_to_string == "<ul><li></li></ul>"
+ # returns `self` for fluent programming
+ fun add(child: HTMLTag): HTMLTag
+ do
+ children.add(child)
+ return self
+ end
+
+ # Create a new HTMLTag child and return it
+ #
+ # var ul = new HTMLTag("ul")
+ # ul.open("li").append("1").append("2")
+ # ul.open("li").append("3").append("4")
+ # assert ul.write_to_string == "<ul><li>12</li><li>34</li></ul>"
+ fun open(tag: String): HTMLTag
+ do
+ var res = new HTMLTag(tag)
+ add(res)
+ return res
+ end
# List of children HTML elements
var children: Set[HTMLTag] = new HashSet[HTMLTag]
end
# Append raw HTML to element
+ #
# var p = new HTMLTag("p")
# p.append("Hello")
- # p.add_raw_html("<bla/>")
- # p.html #- "<p>Hello<bla/></p>"
- # Note: the HTML in insered as it, no verification is done
+ # p.add_raw_html("<bla/>foo")
+ # assert p.write_to_string == "<p>Hello<bla/>foo</p>"
+ #
+ # Note: the HTML in insered as it, no verification is done.
fun add_raw_html(txt: String): HTMLTag do
add(new HTMLRaw(txt))
return self
if attrs.has_key("style") or not css_props.is_empty then
res.add " style=\""
- for k, v in attrs do
+ for k, v in css_props do
res.add k.html_escape
res.add ": "
res.add v.html_escape