#46 BoxLayoutManager working

[fanfix.git] / src / jexer / TWidget.java

diff --git a/src/jexer/TWidget.java b/src/jexer/TWidget.java
index b17b73f67b1c49f92c831591a62e5ef8452bd05d..d48ffe4c9ad6e477123c1e940e659360b347a1ab 100644 (file)
--- a/src/jexer/TWidget.java
+++ b/src/jexer/TWidget.java
@@ -43,6 +43,7 @@ import jexer.event.TKeypressEvent;
 import jexer.event.TMenuEvent;
 import jexer.event.TMouseEvent;
 import jexer.event.TResizeEvent;
+import jexer.layout.LayoutManager;
 import jexer.menu.TMenu;
 import jexer.ttree.TTreeItem;
 import jexer.ttree.TTreeView;
@@ -136,6 +137,11 @@ public abstract class TWidget implements Comparable<TWidget> {
      */
     private int cursorY = 0;
 
+    /**
+     * Layout manager.
+     */
+    private LayoutManager layout = null;
+
     // ------------------------------------------------------------------------
     // Constructors -----------------------------------------------------------
     // ------------------------------------------------------------------------
@@ -212,15 +218,15 @@ public abstract class TWidget implements Comparable<TWidget> {
         this.parent = parent;
         children = new ArrayList<TWidget>();
 
-        if (parent != null) {
-            this.window = parent.window;
-            parent.addChild(this);
-        }
-
         this.x = x;
         this.y = y;
         this.width = width;
         this.height = height;
+
+        if (parent != null) {
+            this.window = parent.window;
+            parent.addChild(this);
+        }
     }
 
     /**
@@ -570,6 +576,14 @@ public abstract class TWidget implements Comparable<TWidget> {
         if (resize.getType() == TResizeEvent.Type.WIDGET) {
             width = resize.getWidth();
             height = resize.getHeight();
+            if (layout != null) {
+                if (this instanceof TWindow) {
+                    layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+                            width - 2, height - 2));
+                } else {
+                    layout.onResize(resize);
+                }
+            }
         } else {
             // Let children see the screen resize
             for (TWidget widget: children) {
@@ -732,6 +746,9 @@ public abstract class TWidget implements Comparable<TWidget> {
         }
         children.remove(child);
         child.parent = null;
+        if (layout != null) {
+            layout.remove(this);
+        }
     }
 
     /**
@@ -854,7 +871,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      *
      * @return widget width
      */
-    public final int getWidth() {
+    public int getWidth() {
         return this.width;
     }
 
@@ -863,8 +880,12 @@ public abstract class TWidget implements Comparable<TWidget> {
      *
      * @param width new widget width
      */
-    public final void setWidth(final int width) {
+    public void setWidth(final int width) {
         this.width = width;
+        if (layout != null) {
+            layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+                    width, height));
+        }
     }
 
     /**
@@ -872,7 +893,7 @@ public abstract class TWidget implements Comparable<TWidget> {
      *
      * @return widget height
      */
-    public final int getHeight() {
+    public int getHeight() {
         return this.height;
     }
 
@@ -881,8 +902,12 @@ public abstract class TWidget implements Comparable<TWidget> {
      *
      * @param height new widget height
      */
-    public final void setHeight(final int height) {
+    public void setHeight(final int height) {
         this.height = height;
+        if (layout != null) {
+            layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+                    width, height));
+        }
     }
 
     /**
@@ -900,6 +925,39 @@ public abstract class TWidget implements Comparable<TWidget> {
         setY(y);
         setWidth(width);
         setHeight(height);
+        if (layout != null) {
+            layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+                    width, height));
+        }
+    }
+
+    /**
+     * Get the layout manager.
+     *
+     * @return the layout manager, or null if not set
+     */
+    public LayoutManager getLayoutManager() {
+        return layout;
+    }
+
+    /**
+     * Set the layout manager.
+     *
+     * @param layout the new layout manager
+     */
+    public void setLayoutManager(LayoutManager layout) {
+        if (this.layout != null) {
+            for (TWidget w: children) {
+                this.layout.remove(w);
+            }
+            this.layout = null;
+        }
+        this.layout = layout;
+        if (this.layout != null) {
+            for (TWidget w: children) {
+                this.layout.add(w);
+            }
+        }
     }
 
     /**
@@ -1262,6 +1320,9 @@ public abstract class TWidget implements Comparable<TWidget> {
         for (int i = 0; i < children.size(); i++) {
             children.get(i).tabOrder = i;
         }
+        if (layout != null) {
+            layout.add(child);
+        }
     }
 
     /**
@@ -2431,4 +2492,19 @@ public abstract class TWidget implements Comparable<TWidget> {
             gridRows);
     }
 
+    /**
+     * Convenience function to add a panel to this container/window.
+     *
+     * @param x column relative to parent
+     * @param y row relative to parent
+     * @param width width of text area
+     * @param height height of text area
+     * @return the new panel
+     */
+    public final TPanel addPanel(final int x, final int y, final int width,
+        final int height) {
+
+        return new TPanel(this, x, y, width, height);
+    }
+
 }