Remove almost unused CellBasedLayout (#8313)

4 files changed, 9 insertions, 433 deletions

diff --git a/src/com/vaadin/terminal/gwt/client/ui/VGridLayout.java b/src/com/vaadin/terminal/gwt/client/ui/VGridLayout.java
index 5302fa6f67..f269a5d1a2 100644
--- a/src/com/vaadin/terminal/gwt/client/ui/VGridLayout.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/VGridLayout.java
@@ -26,7 +26,6 @@ import com.vaadin.terminal.gwt.client.UIDL;
 import com.vaadin.terminal.gwt.client.Util;
 import com.vaadin.terminal.gwt.client.VPaintableMap;
 import com.vaadin.terminal.gwt.client.VPaintableWidget;
-import com.vaadin.terminal.gwt.client.ui.layout.CellBasedLayout;
 import com.vaadin.terminal.gwt.client.ui.layout.ChildComponentContainer;
 
 public class VGridLayout extends SimplePanel implements Container {
@@ -860,7 +859,7 @@ public class VGridLayout extends SimplePanel implements Container {
                 } else {
                     // A new component
                     cc = new ChildComponentContainer(paintable,
-                            CellBasedLayout.ORIENTATION_VERTICAL);
+                            ChildComponentContainer.ORIENTATION_VERTICAL);
                     widgetToComponentContainer.put(w, cc);
                     cc.setWidth("");
                     canvas.add(cc, 0, 0);
diff --git a/src/com/vaadin/terminal/gwt/client/ui/layout/CellBasedLayout.java b/src/com/vaadin/terminal/gwt/client/ui/layout/CellBasedLayout.java
deleted file mode 100644
index 9b38ba23ae..0000000000
--- a/src/com/vaadin/terminal/gwt/client/ui/layout/CellBasedLayout.java
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
-@VaadinApache2LicenseForJavaFiles@
- */
-package com.vaadin.terminal.gwt.client.ui.layout;
-
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-
-import com.google.gwt.dom.client.DivElement;
-import com.google.gwt.dom.client.Document;
-import com.google.gwt.dom.client.Node;
-import com.google.gwt.dom.client.NodeList;
-import com.google.gwt.dom.client.Style;
-import com.google.gwt.user.client.ui.ComplexPanel;
-import com.google.gwt.user.client.ui.Widget;
-import com.vaadin.terminal.gwt.client.ApplicationConnection;
-import com.vaadin.terminal.gwt.client.BrowserInfo;
-import com.vaadin.terminal.gwt.client.Container;
-import com.vaadin.terminal.gwt.client.VPaintableMap;
-import com.vaadin.terminal.gwt.client.VPaintableWidget;
-import com.vaadin.terminal.gwt.client.ui.VMarginInfo;
-
-public abstract class CellBasedLayout extends ComplexPanel implements Container {
-
-    protected Map<Widget, ChildComponentContainer> widgetToComponentContainer = new HashMap<Widget, ChildComponentContainer>();
-
-    protected ApplicationConnection client = null;
-
-    public DivElement root;
-
-    public static final int ORIENTATION_VERTICAL = 0;
-    public static final int ORIENTATION_HORIZONTAL = 1;
-
-    protected Margins activeMargins = new Margins(0, 0, 0, 0);
-    protected VMarginInfo activeMarginsInfo = new VMarginInfo(-1);
-
-    protected boolean spacingEnabled = false;
-    protected final Spacing spacingFromCSS = new Spacing(12, 12);
-    protected final Spacing activeSpacing = new Spacing(0, 0);
-
-    boolean dynamicWidth;
-
-    boolean dynamicHeight;
-
-    private final DivElement clearElement = Document.get().createDivElement();
-
-    private String lastStyleName = "";
-
-    boolean marginsNeedsRecalculation = false;
-
-    protected String STYLENAME_SPACING = "";
-    protected String STYLENAME_MARGIN_TOP = "";
-    protected String STYLENAME_MARGIN_RIGHT = "";
-    protected String STYLENAME_MARGIN_BOTTOM = "";
-    protected String STYLENAME_MARGIN_LEFT = "";
-
-    public static class Spacing {
-
-        public int hSpacing = 0;
-        public int vSpacing = 0;
-
-        public Spacing(int hSpacing, int vSpacing) {
-            this.hSpacing = hSpacing;
-            this.vSpacing = vSpacing;
-        }
-
-        @Override
-        public String toString() {
-            return "Spacing [hSpacing=" + hSpacing + ",vSpacing=" + vSpacing
-                    + "]";
-        }
-
-    }
-
-    public CellBasedLayout() {
-        super();
-
-        setElement(Document.get().createDivElement());
-        getElement().getStyle().setProperty("overflow", "hidden");
-        if (BrowserInfo.get().isIE()) {
-            getElement().getStyle().setProperty("position", "relative");
-            getElement().getStyle().setProperty("zoom", "1");
-        }
-
-        root = Document.get().createDivElement();
-        root.getStyle().setProperty("overflow", "hidden");
-        if (BrowserInfo.get().isIE()) {
-            root.getStyle().setProperty("position", "relative");
-        }
-
-        getElement().appendChild(root);
-
-        Style style = clearElement.getStyle();
-        style.setProperty("width", "0px");
-        style.setProperty("height", "0px");
-        style.setProperty("clear", "both");
-        style.setProperty("overflow", "hidden");
-        root.appendChild(clearElement);
-
-    }
-
-    public boolean hasChildComponent(Widget component) {
-        return widgetToComponentContainer.containsKey(component);
-    }
-
-    @Override
-    public void setStyleName(String styleName) {
-        super.setStyleName(styleName);
-
-        if (isAttached() && marginsNeedsRecalculation
-                || !lastStyleName.equals(styleName)) {
-            measureMarginsAndSpacing();
-            lastStyleName = styleName;
-            marginsNeedsRecalculation = false;
-        }
-
-    }
-
-    @Override
-    public void setWidth(String width) {
-        super.setWidth(width);
-
-        /*
-         * Ensure the the dynamic width stays up to date even if size is altered
-         * only on client side.
-         */
-        if (width == null || width.equals("")) {
-            dynamicWidth = true;
-        } else {
-            dynamicWidth = false;
-        }
-    }
-
-    @Override
-    public void setHeight(String height) {
-        super.setHeight(height);
-
-        /*
-         * Ensure the the dynamic height stays up to date even if size is
-         * altered only on client side.
-         */
-        if (height == null || height.equals("")) {
-            dynamicHeight = true;
-        } else {
-            dynamicHeight = false;
-        }
-    }
-
-    public void addOrMoveChild(ChildComponentContainer childComponent,
-            int position) {
-        if (childComponent.getParent() == this) {
-            if (getWidgetIndex(childComponent) != position) {
-                // Detach from old position child.
-                childComponent.removeFromParent();
-
-                // Logical attach.
-                getChildren().insert(childComponent, position);
-
-                root.insertBefore(childComponent.getElement(), root
-                        .getChildNodes().getItem(position));
-
-                adopt(childComponent);
-            }
-        } else {
-            widgetToComponentContainer.put(childComponent.getWidget(),
-                    childComponent);
-
-            // Logical attach.
-            getChildren().insert(childComponent, position);
-
-            // avoid inserts (they are slower than appends)
-            boolean insert = true;
-            if (widgetToComponentContainer.size() == position) {
-                insert = false;
-            }
-            if (insert) {
-                root.insertBefore(childComponent.getElement(), root
-                        .getChildNodes().getItem(position));
-            } else {
-                root.insertBefore(childComponent.getElement(), clearElement);
-            }
-            // Adopt.
-            adopt(childComponent);
-
-        }
-
-    }
-
-    public Collection<ChildComponentContainer> getComponentContainers() {
-        return widgetToComponentContainer.values();
-    }
-
-    public ChildComponentContainer getComponentContainer(Widget child) {
-        return widgetToComponentContainer.get(child);
-    }
-
-    public boolean isDynamicWidth() {
-        return dynamicWidth;
-    }
-
-    public boolean isDynamicHeight() {
-        return dynamicHeight;
-    }
-
-    private static DivElement measurement;
-    private static DivElement measurement2;
-    private static DivElement measurement3;
-    private static DivElement helper;
-
-    static {
-        helper = Document.get().createDivElement();
-        helper.setInnerHTML("<div style=\"position:absolute;top:0;left:0;height:0;visibility:hidden;overflow:hidden;\">"
-                + "<div style=\"width:0;height:0;visibility:hidden;overflow:hidden;\">"
-                + "</div></div>"
-                + "<div style=\"position:absolute;height:0;overflow:hidden;\"></div>");
-        NodeList<Node> childNodes = helper.getChildNodes();
-        measurement = (DivElement) childNodes.getItem(0);
-        measurement2 = (DivElement) measurement.getFirstChildElement();
-        measurement3 = (DivElement) childNodes.getItem(1);
-    }
-
-    protected boolean measureMarginsAndSpacing() {
-        if (!isAttached()) {
-            return false;
-        }
-
-        // Measure spacing (actually CSS padding)
-        measurement3.setClassName(STYLENAME_SPACING
-                + (spacingEnabled ? "-on" : "-off"));
-
-        String sn = getStylePrimaryName() + "-margin";
-
-        if (activeMarginsInfo.hasTop()) {
-            sn += " " + STYLENAME_MARGIN_TOP;
-        }
-        if (activeMarginsInfo.hasBottom()) {
-            sn += " " + STYLENAME_MARGIN_BOTTOM;
-        }
-        if (activeMarginsInfo.hasLeft()) {
-            sn += " " + STYLENAME_MARGIN_LEFT;
-        }
-        if (activeMarginsInfo.hasRight()) {
-            sn += " " + STYLENAME_MARGIN_RIGHT;
-        }
-
-        // Measure top and left margins (actually CSS padding)
-        measurement.setClassName(sn);
-
-        root.appendChild(helper);
-
-        activeSpacing.vSpacing = measurement3.getOffsetHeight();
-        activeSpacing.hSpacing = measurement3.getOffsetWidth();
-
-        activeMargins.setMarginTop(measurement2.getOffsetTop());
-        activeMargins.setMarginLeft(measurement2.getOffsetLeft());
-        activeMargins.setMarginRight(measurement.getOffsetWidth()
-                - activeMargins.getMarginLeft());
-        activeMargins.setMarginBottom(measurement.getOffsetHeight()
-                - activeMargins.getMarginTop());
-
-        // ApplicationConnection.getConsole().log("Margins: " + activeMargins);
-        // ApplicationConnection.getConsole().log("Spacing: " + activeSpacing);
-        // Util.alert("Margins: " + activeMargins);
-        root.removeChild(helper);
-
-        // apply margin
-        Style style = root.getStyle();
-        style.setPropertyPx("marginLeft", activeMargins.getMarginLeft());
-        style.setPropertyPx("marginRight", activeMargins.getMarginRight());
-        style.setPropertyPx("marginTop", activeMargins.getMarginTop());
-        style.setPropertyPx("marginBottom", activeMargins.getMarginBottom());
-
-        return true;
-    }
-
-    protected ChildComponentContainer getFirstChildComponentContainer() {
-        int size = getChildren().size();
-        if (size < 1) {
-            return null;
-        }
-
-        return (ChildComponentContainer) getChildren().get(0);
-    }
-
-    public void removeChildrenAfter(int pos) {
-        // Remove all children after position "pos" but leave the clear element
-        // in place
-
-        int toRemove = getChildren().size() - pos;
-        while (toRemove-- > 0) {
-            /* flag to not if widget has been moved and rendered elsewhere */
-            boolean relocated = false;
-            ChildComponentContainer child = (ChildComponentContainer) getChildren()
-                    .get(pos);
-            Widget widget = child.getWidget();
-            if (widget == null) {
-                // a rare case where child component has been relocated and
-                // rendered elsewhere
-                // clean widgetToComponentContainer map by iterating the correct
-                // mapping
-                Iterator<Widget> iterator = widgetToComponentContainer.keySet()
-                        .iterator();
-                while (iterator.hasNext()) {
-                    Widget key = iterator.next();
-                    if (widgetToComponentContainer.get(key) == child) {
-                        widget = key;
-                        relocated = true;
-                        break;
-                    }
-                }
-                if (widget == null) {
-                    throw new NullPointerException();
-                }
-            }
-            // ChildComponentContainer remove =
-            widgetToComponentContainer.remove(widget);
-            remove(child);
-            if (!relocated) {
-                VPaintableMap paintableMap = VPaintableMap.get(client);
-                VPaintableWidget p = paintableMap.getPaintable(widget);
-                paintableMap.unregisterPaintable(p);
-            }
-        }
-
-    }
-
-    public void replaceChildComponent(Widget oldComponent, Widget newComponent) {
-        ChildComponentContainer componentContainer = widgetToComponentContainer
-                .remove(oldComponent);
-        if (componentContainer == null) {
-            return;
-        }
-
-        componentContainer.setPaintable(VPaintableMap.get(client).getPaintable(
-                newComponent));
-        client.unregisterPaintable(VPaintableMap.get(client).getPaintable(
-                oldComponent));
-        widgetToComponentContainer.put(newComponent, componentContainer);
-    }
-
-}
diff --git a/src/com/vaadin/terminal/gwt/client/ui/layout/CellBasedLayoutPaintable.java b/src/com/vaadin/terminal/gwt/client/ui/layout/CellBasedLayoutPaintable.java
deleted file mode 100644
index 752462dcf6..0000000000
--- a/src/com/vaadin/terminal/gwt/client/ui/layout/CellBasedLayoutPaintable.java
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
-@VaadinApache2LicenseForJavaFiles@
- */
-package com.vaadin.terminal.gwt.client.ui.layout;
-
-import com.vaadin.terminal.gwt.client.ApplicationConnection;
-import com.vaadin.terminal.gwt.client.UIDL;
-import com.vaadin.terminal.gwt.client.ui.VAbstractPaintableWidgetContainer;
-import com.vaadin.terminal.gwt.client.ui.VMarginInfo;
-
-public abstract class CellBasedLayoutPaintable extends
-        VAbstractPaintableWidgetContainer {
-
-    @Override
-    public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
-        getWidgetForPaintable().client = client;
-
-        // Only non-cached UIDL:s can introduce changes
-        if (isCachedUpdate(uidl)) {
-            return;
-        }
-
-        /**
-         * Margin and spacind detection depends on classNames and must be set
-         * before setting size. Here just update the details from UIDL and from
-         * overridden setStyleName run actual margin detections.
-         */
-        updateMarginAndSpacingInfo(uidl);
-
-        /*
-         * This call should be made first. Ensure correct implementation, handle
-         * size etc.
-         */
-        super.updateFromUIDL(uidl, client);
-
-        handleDynamicDimensions(uidl);
-    }
-
-    private void handleDynamicDimensions(UIDL uidl) {
-        String w = uidl.hasAttribute("width") ? uidl
-                .getStringAttribute("width") : "";
-
-        String h = uidl.hasAttribute("height") ? uidl
-                .getStringAttribute("height") : "";
-
-        if (w.equals("")) {
-            getWidgetForPaintable().dynamicWidth = true;
-        } else {
-            getWidgetForPaintable().dynamicWidth = false;
-        }
-
-        if (h.equals("")) {
-            getWidgetForPaintable().dynamicHeight = true;
-        } else {
-            getWidgetForPaintable().dynamicHeight = false;
-        }
-
-    }
-
-    void updateMarginAndSpacingInfo(UIDL uidl) {
-        if (!uidl.hasAttribute("invisible")) {
-            int bitMask = uidl.getIntAttribute("margins");
-            if (getWidgetForPaintable().activeMarginsInfo.getBitMask() != bitMask) {
-                getWidgetForPaintable().activeMarginsInfo = new VMarginInfo(
-                        bitMask);
-                getWidgetForPaintable().marginsNeedsRecalculation = true;
-            }
-            boolean spacing = uidl.getBooleanAttribute("spacing");
-            if (spacing != getWidgetForPaintable().spacingEnabled) {
-                getWidgetForPaintable().marginsNeedsRecalculation = true;
-                getWidgetForPaintable().spacingEnabled = spacing;
-            }
-        }
-    }
-
-    @Override
-    protected abstract CellBasedLayout createWidget();
-
-    @Override
-    public CellBasedLayout getWidgetForPaintable() {
-        return (CellBasedLayout) super.getWidgetForPaintable();
-    }
-}
diff --git a/src/com/vaadin/terminal/gwt/client/ui/layout/ChildComponentContainer.java b/src/com/vaadin/terminal/gwt/client/ui/layout/ChildComponentContainer.java
index b263f8b5d4..dffb418660 100644
--- a/src/com/vaadin/terminal/gwt/client/ui/layout/ChildComponentContainer.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/layout/ChildComponentContainer.java
@@ -25,6 +25,9 @@ import com.vaadin.terminal.gwt.client.ui.AlignmentInfo;
 
 public class ChildComponentContainer extends Panel {
 
+    public static final int ORIENTATION_VERTICAL = 0;
+    public static final int ORIENTATION_HORIZONTAL = 1;
+
     /**
      * Size of the container DIV excluding any margins and also excluding the
      * expansion amount (containerExpansion)
@@ -152,7 +155,7 @@ public class ChildComponentContainer extends Panel {
     }
 
     public void setOrientation(int orientation) {
-        if (orientation == CellBasedLayout.ORIENTATION_HORIZONTAL) {
+        if (orientation == ORIENTATION_HORIZONTAL) {
             setFloat(getElement(), "left");
         } else {
             setFloat(getElement(), "");
@@ -618,7 +621,7 @@ public class ChildComponentContainer extends Panel {
      */
     public boolean widgetHasSizeSpecified(int orientation) {
         String size;
-        if (orientation == CellBasedLayout.ORIENTATION_HORIZONTAL) {
+        if (orientation == ORIENTATION_HORIZONTAL) {
             size = widget.getElement().getStyle().getProperty("width");
         } else {
             size = widget.getElement().getStyle().getProperty("height");
@@ -630,7 +633,7 @@ public class ChildComponentContainer extends Panel {
         if (relativeSize == null) {
             return false;
         }
-        if (orientation == CellBasedLayout.ORIENTATION_HORIZONTAL) {
+        if (orientation == ORIENTATION_HORIZONTAL) {
             return relativeSize.getWidth() >= 0;
         } else {
             return relativeSize.getHeight() >= 0;
@@ -666,7 +669,7 @@ public class ChildComponentContainer extends Panel {
     public int expand(int orientation, int spaceForExpansion) {
         int expansionAmount = (int) (spaceForExpansion * expandRatio);
 
-        if (orientation == CellBasedLayout.ORIENTATION_HORIZONTAL) {
+        if (orientation == ORIENTATION_HORIZONTAL) {
             // HORIZONTAL
             containerExpansion.setWidth(expansionAmount);
         } else {
@@ -678,7 +681,7 @@ public class ChildComponentContainer extends Panel {
     }
 
     public void expandExtra(int orientation, int extra) {
-        if (orientation == CellBasedLayout.ORIENTATION_HORIZONTAL) {
+        if (orientation == ORIENTATION_HORIZONTAL) {
             // HORIZONTAL
             containerExpansion.setWidth(containerExpansion.getWidth() + extra);
         } else {