Move Vaadin 7 CheckBox to compatibility package

Adds a v7 AbstractFieldConnector for the compatibility package
Remove dependency from core to old AbstractField

Change-Id: I5da665de69cf469adfa946cf18aae1a3e56c3486

1 files changed, 269 insertions, 0 deletions

diff --git a/compatibility-server/src/main/java/com/vaadin/v7/ui/CheckBox.java b/compatibility-server/src/main/java/com/vaadin/v7/ui/CheckBox.java
new file mode 100644
index 0000000000..84488bc875
--- /dev/null
+++ b/compatibility-server/src/main/java/com/vaadin/v7/ui/CheckBox.java
@@ -0,0 +1,269 @@
+/*
+ * Copyright 2000-2016 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.vaadin.v7.ui;
+
+import java.util.Collection;
+
+import org.jsoup.nodes.Attributes;
+import org.jsoup.nodes.Element;
+
+import com.vaadin.event.FieldEvents.BlurEvent;
+import com.vaadin.event.FieldEvents.BlurListener;
+import com.vaadin.event.FieldEvents.FocusAndBlurServerRpcImpl;
+import com.vaadin.event.FieldEvents.FocusEvent;
+import com.vaadin.event.FieldEvents.FocusListener;
+import com.vaadin.shared.MouseEventDetails;
+import com.vaadin.shared.ui.checkbox.CheckBoxServerRpc;
+import com.vaadin.shared.ui.checkbox.CheckBoxState;
+import com.vaadin.ui.declarative.DesignAttributeHandler;
+import com.vaadin.ui.declarative.DesignContext;
+import com.vaadin.v7.data.Property;
+
+public class CheckBox extends AbstractField<Boolean> {
+
+    private CheckBoxServerRpc rpc = new CheckBoxServerRpc() {
+
+        @Override
+        public void setChecked(boolean checked,
+                MouseEventDetails mouseEventDetails) {
+            if (isReadOnly()) {
+                return;
+            }
+
+            /*
+             * Client side updates the state before sending the event so we need
+             * to make sure the cached state is updated to match the client. If
+             * we do not do this, a reverting setValue() call in a listener will
+             * not cause the new state to be sent to the client.
+             *
+             * See #11028, #10030.
+             */
+            getUI().getConnectorTracker().getDiffState(CheckBox.this)
+                    .put("checked", checked);
+
+            final Boolean oldValue = getValue();
+            final Boolean newValue = checked;
+
+            if (!newValue.equals(oldValue)) {
+                // The event is only sent if the switch state is changed
+                setValue(newValue);
+            }
+
+        }
+    };
+
+    FocusAndBlurServerRpcImpl focusBlurRpc = new FocusAndBlurServerRpcImpl(
+            this) {
+        @Override
+        protected void fireEvent(Event event) {
+            CheckBox.this.fireEvent(event);
+        }
+    };
+
+    /**
+     * Creates a new checkbox.
+     */
+    public CheckBox() {
+        registerRpc(rpc);
+        registerRpc(focusBlurRpc);
+        setValue(Boolean.FALSE);
+    }
+
+    /**
+     * Creates a new checkbox with a set caption.
+     *
+     * @param caption
+     *            the Checkbox caption.
+     */
+    public CheckBox(String caption) {
+        this();
+        setCaption(caption);
+    }
+
+    /**
+     * Creates a new checkbox with a caption and a set initial state.
+     *
+     * @param caption
+     *            the caption of the checkbox
+     * @param initialState
+     *            the initial state of the checkbox
+     */
+    public CheckBox(String caption, boolean initialState) {
+        this(caption);
+        setValue(initialState);
+    }
+
+    /**
+     * Creates a new checkbox that is connected to a boolean property.
+     *
+     * @param state
+     *            the Initial state of the switch-button.
+     * @param dataSource
+     */
+    public CheckBox(String caption, Property<?> dataSource) {
+        this(caption);
+        setPropertyDataSource(dataSource);
+    }
+
+    @Override
+    public Class<Boolean> getType() {
+        return Boolean.class;
+    }
+
+    @Override
+    protected CheckBoxState getState() {
+        return (CheckBoxState) super.getState();
+    }
+
+    /*
+     * Overridden to keep the shared state in sync with the LegacyAbstractField
+     * internal value. Should be removed once LegacyAbstractField is refactored
+     * to use shared state.
+     *
+     * See tickets #10921 and #11064.
+     */
+    @Override
+    protected void setInternalValue(Boolean newValue) {
+        super.setInternalValue(newValue);
+        if (newValue == null) {
+            newValue = false;
+        }
+        getState().checked = newValue;
+    }
+
+    public void addBlurListener(BlurListener listener) {
+        addListener(BlurEvent.EVENT_ID, BlurEvent.class, listener,
+                BlurListener.blurMethod);
+    }
+
+    /**
+     * @deprecated As of 7.0, replaced by {@link #addBlurListener(BlurListener)}
+     **/
+    @Deprecated
+    public void addListener(BlurListener listener) {
+        addBlurListener(listener);
+    }
+
+    public void removeBlurListener(BlurListener listener) {
+        removeListener(BlurEvent.EVENT_ID, BlurEvent.class, listener);
+    }
+
+    /**
+     * @deprecated As of 7.0, replaced by
+     *             {@link #removeBlurListener(BlurListener)}
+     **/
+    @Deprecated
+    public void removeListener(BlurListener listener) {
+        removeBlurListener(listener);
+    }
+
+    public void addFocusListener(FocusListener listener) {
+        addListener(FocusEvent.EVENT_ID, FocusEvent.class, listener,
+                FocusListener.focusMethod);
+    }
+
+    /**
+     * @deprecated As of 7.0, replaced by
+     *             {@link #addFocusListener(FocusListener)}
+     **/
+    @Deprecated
+    public void addListener(FocusListener listener) {
+        addFocusListener(listener);
+    }
+
+    public void removeFocusListener(FocusListener listener) {
+        removeListener(FocusEvent.EVENT_ID, FocusEvent.class, listener);
+    }
+
+    /**
+     * @deprecated As of 7.0, replaced by
+     *             {@link #removeFocusListener(FocusListener)}
+     **/
+    @Deprecated
+    public void removeListener(FocusListener listener) {
+        removeFocusListener(listener);
+    }
+
+    /**
+     * Get the boolean value of the button state.
+     *
+     * @return True iff the button is pressed down or checked.
+     *
+     * @deprecated As of 7.0, use {@link #getValue()} instead and, if needed,
+     *             handle null values.
+     */
+    @Deprecated
+    public boolean booleanValue() {
+        Boolean value = getValue();
+        return (null == value) ? false : value.booleanValue();
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see com.vaadin.ui.AbstractField#readDesign(org.jsoup.nodes.Element,
+     * com.vaadin.ui.declarative.DesignContext)
+     */
+    @Override
+    public void readDesign(Element design, DesignContext designContext) {
+        super.readDesign(design, designContext);
+        if (design.hasAttr("checked")) {
+            this.setValue(DesignAttributeHandler.readAttribute("checked",
+                    design.attributes(), Boolean.class), false, true);
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see com.vaadin.ui.AbstractField#getCustomAttributes()
+     */
+    @Override
+    protected Collection<String> getCustomAttributes() {
+        Collection<String> attributes = super.getCustomAttributes();
+        attributes.add("checked");
+        return attributes;
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see com.vaadin.ui.AbstractField#writeDesign(org.jsoup.nodes.Element,
+     * com.vaadin.ui.declarative.DesignContext)
+     */
+    @Override
+    public void writeDesign(Element design, DesignContext designContext) {
+        super.writeDesign(design, designContext);
+        CheckBox def = (CheckBox) designContext
+                .getDefaultInstance(this);
+        Attributes attr = design.attributes();
+        DesignAttributeHandler.writeAttribute("checked", attr, getValue(),
+                def.getValue(), Boolean.class);
+    }
+
+    @Override
+    public void clear() {
+        setValue(Boolean.FALSE);
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return getValue() == null || getValue().equals(Boolean.FALSE);
+
+    }
+
+}