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authorj-james2022-12-22 01:36:49 +0000
committerj-james2022-12-22 01:36:49 +0000
commit0e693fd4814572712a4192cb4f176e71f7a344f7 (patch)
tree9fb7daba882a025d368775aed9d518f565a40db2
parent35741efd699e67382367411fcb991e2366a6774f (diff)
Implement the basics of a recursive layout renderer
Diffstat
-rw-r--r--data/example.html54
-rw-r--r--src/main/model/layout/BlockLayout.java8
-rw-r--r--src/main/model/layout/DocumentLayout.java3
-rw-r--r--src/main/model/layout/InlineLayout.java18
-rw-r--r--src/main/model/layout/Layout.java3
-rw-r--r--src/main/ui/BrowserCanvas.java32
-rw-r--r--src/main/ui/BrowserWindow.java1
7 files changed, 85 insertions, 34 deletions
diff --git a/data/example.html b/data/example.html
index b62fc42..8eff336 100644
--- a/data/example.html
+++ b/data/example.html
@@ -6,33 +6,6 @@
<meta charset="utf-8" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
- <style type="text/css">
- body {
- background-color: #f0f0f2;
- margin: 0;
- padding: 0;
- font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
-
- }
- div {
- width: 600px;
- margin: 5em auto;
- padding: 2em;
- background-color: #fdfdff;
- border-radius: 0.5em;
- box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
- }
- a:link, a:visited {
- color: #38488f;
- text-decoration: none;
- }
- @media (max-width: 700px) {
- div {
- margin: 0 auto;
- width: auto;
- }
- }
- </style>
</head>
<body>
@@ -44,3 +17,30 @@
</div>
</body>
</html>
+<style type="text/css">
+body {
+ background-color: #f0f0f2;
+ margin: 0;
+ padding: 0;
+ font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
+
+}
+div {
+ width: 600px;
+ margin: 5em auto;
+ padding: 2em;
+ background-color: #fdfdff;
+ border-radius: 0.5em;
+ box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
+}
+a:link, a:visited {
+ color: #38488f;
+ text-decoration: none;
+}
+@media (max-width: 700px) {
+ div {
+ margin: 0 auto;
+ width: auto;
+ }
+}
+</style>
diff --git a/src/main/model/layout/BlockLayout.java b/src/main/model/layout/BlockLayout.java
index 7f59dc6..f011847 100644
--- a/src/main/model/layout/BlockLayout.java
+++ b/src/main/model/layout/BlockLayout.java
@@ -19,13 +19,17 @@ public class BlockLayout extends Layout {
this.setLocation(this.getParent().getLocation());
this.getPreviousSibling().ifPresent(
sibling -> this.setY(sibling.getY() + sibling.getHeight()));
+ this.getPreviousSibling().ifPresent(
+ sibling -> System.out.println("bluh" + sibling.getAssociatedNode().getData()));
-
- this.setDimension(this.getParent().getDimension());
+// this.setDimension(this.getParent().getDimension());
for (Layout child : this.getChildren()) {
child.layout();
this.setHeight(this.getHeight() + child.getHeight());
}
+ System.out.println(this.getAssociatedNode().getData() + this.getLocation());
+ System.out.println(System.identityHashCode(this.getLocation()));
+// System.out.println(this.getAssociatedNode().getData() + this.getDimension());
}
}
diff --git a/src/main/model/layout/DocumentLayout.java b/src/main/model/layout/DocumentLayout.java
index 299be25..92c0b00 100644
--- a/src/main/model/layout/DocumentLayout.java
+++ b/src/main/model/layout/DocumentLayout.java
@@ -1,6 +1,7 @@
package model.layout;
import java.awt.*;
+import java.util.ArrayList;
// root document layout style
public class DocumentLayout extends Layout {
@@ -17,7 +18,7 @@ public class DocumentLayout extends Layout {
// MODIFIES: this
// EFFECTS: recursively constructs the layout tree
public void layout() {
- this.setLocation(new Point(0, 0));
+ this.setLocation(new Point(10, 20));
this.setDimension(new Dimension(DEFAULT_WIDTH, DEFAULT_HEIGHT));
for (Layout child : this.getChildren()) {
diff --git a/src/main/model/layout/InlineLayout.java b/src/main/model/layout/InlineLayout.java
index 2de69d6..8e375d5 100644
--- a/src/main/model/layout/InlineLayout.java
+++ b/src/main/model/layout/InlineLayout.java
@@ -1,6 +1,8 @@
package model.layout;
+import model.html.ElementNode;
import model.html.Node;
+import model.html.TextNode;
import java.awt.*;
@@ -25,12 +27,26 @@ public class InlineLayout extends Layout {
this.setWidth(this.getParent().getWidth());
this.setCursor(this.getX(), this.getY());
+ Node node = this.getAssociatedNode();
+ if (node instanceof TextNode) {
+ if (node.getData().length() > 5) {
+ this.setHeight(20);
+// this.setWidth(this.getWidth() + node.getData().length());
+ }
+ } else if (node instanceof ElementNode) {
+ if (((ElementNode) node).getTag().equals("a")) {
+ this.setX(this.getX() + this.getParent().getWidth());
+ }
+ }
+
for (Layout child : this.getChildren()) {
child.layout();
+ this.setHeight(this.getHeight() + child.getHeight()); // fixme
}
// todo: recurse to calculate cursor
- this.setHeight(cursor.getY() - this.getY());
+// this.setHeight(cursor.getY() - this.getY());
+// System.out.println(this.getAssociatedNode().getData() + this.getLocation());
}
public void setCursor(Point cursor) {
diff --git a/src/main/model/layout/Layout.java b/src/main/model/layout/Layout.java
index 4dbedb5..4d9f48f 100644
--- a/src/main/model/layout/Layout.java
+++ b/src/main/model/layout/Layout.java
@@ -86,7 +86,8 @@ public abstract class Layout {
// man, fuck design patterns, this is so much goddamn code
public void setLocation(Point point) {
- this.location = point;
+ this.location.x = point.x;
+ this.location.y = point.y;
}
public void setX(double x) {
diff --git a/src/main/ui/BrowserCanvas.java b/src/main/ui/BrowserCanvas.java
index 1502c3d..a58f6e1 100644
--- a/src/main/ui/BrowserCanvas.java
+++ b/src/main/ui/BrowserCanvas.java
@@ -3,6 +3,8 @@ package ui;
import model.html.ElementNode;
import model.html.TextNode;
import model.html.Node;
+import model.layout.DocumentLayout;
+import model.layout.Layout;
import javax.swing.*;
import java.awt.*;
@@ -10,12 +12,22 @@ import java.util.*;
public class BrowserCanvas extends JPanel {
private ArrayList<Node> html;
+ private DocumentLayout currentLayout;
// MODIFIES: this
// EFFECTS: constructs a BrowserCanvas object
public BrowserCanvas(ArrayList<Node> html) {
super();
this.html = html;
+ this.currentLayout = Layout.constructTree(html);
+ printTree(this.currentLayout.getChildren());
+ }
+
+ private void printTree(ArrayList<Layout> tree) {
+ for (Layout node : tree) {
+ System.out.println(System.identityHashCode(node.getLocation()));
+ printTree((node).getChildren());
+ }
}
// EFFECTS: paints a component onto a canvas
@@ -23,11 +35,11 @@ public class BrowserCanvas extends JPanel {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Point location = new Point(10, 20); // we need a mutable reference
- renderHtml(html, g, location);
+ renderHtml(this.currentLayout.getChildren(), g, location);
}
// EFFECTS: naively renders our html file by printing text nodes
- private void renderHtml(ArrayList<Node> html, Graphics g, Point location) {
+ /*private void renderHtml(ArrayList<Node> html, Graphics g, Point location) {
for (Node node : html) {
if (node instanceof TextNode) {
if (node.getData().length() > 5) {
@@ -38,6 +50,22 @@ public class BrowserCanvas extends JPanel {
renderHtml(((ElementNode) node).getChildren(), g, location);
}
}
+ }*/
+
+ private void renderHtml(ArrayList<Layout> tree, Graphics g, Point location) {
+ for (Layout layout : tree) {
+// System.out.println(layout.getLocation());
+ g.drawRect(layout.getLocation().x, layout.getLocation().y, layout.getDimension().width, layout.getDimension().height);
+ if (layout.getAssociatedNode() instanceof TextNode) {
+ if (layout.getAssociatedNode().getData().length() > 5) {
+// System.out.println(location);
+ g.drawString(layout.getAssociatedNode().getData(), layout.getLocation().x, layout.getLocation().y);
+ g.drawString("X", 10, 20);
+ }
+ } else {
+ renderHtml(layout.getChildren(), g, location);
+ }
+ }
}
}
diff --git a/src/main/ui/BrowserWindow.java b/src/main/ui/BrowserWindow.java
index 640fb1a..2375fc1 100644
--- a/src/main/ui/BrowserWindow.java
+++ b/src/main/ui/BrowserWindow.java
@@ -43,6 +43,7 @@ public class BrowserWindow extends JFrame {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(WIDTH, HEIGHT);
render("/home/apropos/Projects/website/j-james/index.html");
+// render("data/example.hctml");
// browserBar.addTab("/home/apropos/Projects/website/j-james/index.html");
setVisible(true);
setClosingBehavior();
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-22 07:16:33 +0000