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package model.layout;
import model.html.ElementNode;
import model.html.Node;
import java.awt.*;
import java.util.*;
public abstract class Layout {
private Point location;
private Dimension dimension;
private Node associatedNode;
private Layout parent;
private Optional<Layout> previousSibling;
private Optional<Layout> nextSibling;
private ArrayList<Layout> children;
public static final int DEFAULT_WIDTH = 1920;
public static final int DEFAULT_HEIGHT = 1080;
// https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements
public static final Set<String> BLOCK_ELEMENTS = new HashSet<>(
Arrays.asList("address", "article", "aside", "blockquote",
"details", "dialog", "dd", "div", "dl", "dt",
"fieldset", "figcaption", "figure", "footer", "form",
"h1", "h2", "h3", "h4", "h5", "h6", "header", "hgroup", "hr",
"li", "main", "nav", "ol", "p", "pre", "section", "table", "ul"));
// the big function
public abstract void layout();
public Layout(Node node, Layout parent) {
this.associatedNode = node;
this.location = new Point();
this.dimension = new Dimension();
this.parent = parent;
this.previousSibling = Optional.empty();
this.nextSibling = Optional.empty();
this.children = new ArrayList<>();
}
// eh, probably the best place to put this
// parent MAY BE nil: a handy call to Optional.ofNullable allows this
public static ArrayList<Layout> constructTree(ArrayList<Node> html, Layout parent) {
ArrayDeque<Layout> result = new ArrayDeque<>();
for (Node node : html) {
Layout layout;
if (node instanceof ElementNode) {
if (BLOCK_ELEMENTS.contains(((ElementNode) node).getTag())) {
layout = new BlockLayout(node, parent);
} else {
layout = new InlineLayout(node, parent);
}
layout.setChildren(constructTree(((ElementNode) node).getChildren(), layout));
} else {
layout = new InlineLayout(node, parent);
}
if (result.size() > 0) {
layout.setPreviousSibling(result.getLast());
result.getLast().setNextSibling(layout);
}
result.add(layout);
}
return new ArrayList<>(result); // haha
}
public static DocumentLayout constructTree(ArrayList<Node> html) {
DocumentLayout result = new DocumentLayout();
result.setChildren(constructTree(html, result));
return result;
}
// man, fuck design patterns, this is so much goddamn code
public void setLocation(Point point) {
this.location = point;
}
public void setX(double x) {
this.location.setLocation(x, this.getLocation().getY());
}
public void setY(double y) {
this.location.setLocation(this.getLocation().getX(), y);
}
public void setDimension(Dimension dimension) {
this.dimension = dimension;
}
public void setDimension(double x, double y) {
this.dimension.setSize(x, y);
}
public void setWidth(double width) {
this.dimension.setSize(width, this.getDimension().getWidth());
}
public void setHeight(double height) {
this.dimension.setSize(this.getDimension().getHeight(), height);
}
public void setPreviousSibling(Layout sibling) {
this.previousSibling = Optional.ofNullable(sibling);
}
public void setNextSibling(Layout parent) {
this.nextSibling = Optional.ofNullable(parent);
}
public void setChildren(ArrayList<Layout> children) {
this.children = children;
}
public void addChild(Layout child) {
this.children.add(child);
}
public Node getAssociatedNode() {
return this.associatedNode;
}
public Point getLocation() {
return this.location;
}
public double getX() {
return this.location.getX();
}
public double getY() {
return this.location.getY();
}
public Dimension getDimension() {
return this.dimension;
}
public double getWidth() {
return this.dimension.getWidth();
}
public double getHeight() {
return this.dimension.getHeight();
}
public Layout getParent() {
return this.parent;
}
public Optional<Layout> getPreviousSibling() {
return this.previousSibling;
}
public Optional<Layout> getNextSibling() {
return this.nextSibling;
}
public ArrayList<Layout> getChildren() {
return this.children;
}
}
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