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- /*
- * 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.client.ui.richtextarea;
-
- import com.vaadin.client.annotations.OnStateChange;
- import com.vaadin.client.ui.AbstractFieldConnector;
- import com.vaadin.client.ui.ConnectorFocusAndBlurHandler;
- import com.vaadin.client.ui.SimpleManagedLayout;
- import com.vaadin.client.ui.VRichTextArea;
- import com.vaadin.client.ui.textfield.ValueChangeHandler;
- import com.vaadin.shared.ui.Connect;
- import com.vaadin.shared.ui.Connect.LoadStyle;
- import com.vaadin.shared.ui.richtextarea.RichTextAreaClientRpc;
- import com.vaadin.shared.ui.richtextarea.RichTextAreaServerRpc;
- import com.vaadin.shared.ui.richtextarea.RichTextAreaState;
- import com.vaadin.ui.RichTextArea;
-
- /**
- * Connector for RichTextArea.
- */
- @Connect(value = RichTextArea.class, loadStyle = LoadStyle.LAZY)
- public class RichTextAreaConnector extends AbstractFieldConnector
- implements SimpleManagedLayout, ValueChangeHandler.Owner {
-
- private class RichTextAreaClientRpcImpl implements RichTextAreaClientRpc {
- @Override
- public void selectAll() {
- getWidget().selectAll();
- }
- }
-
- private ValueChangeHandler valueChangeHandler;
-
- @Override
- protected void init() {
- getWidget().addBlurHandler(event -> flush());
- getWidget().addInputHandler(
- () -> valueChangeHandler.scheduleValueChange());
-
- registerRpc(RichTextAreaClientRpc.class,
- new RichTextAreaClientRpcImpl());
- ConnectorFocusAndBlurHandler.addHandlers(this);
-
- valueChangeHandler = new ValueChangeHandler(this);
-
- getLayoutManager().registerDependency(this,
- getWidget().formatter.getElement());
- }
-
- @OnStateChange("valueChangeMode")
- private void updateValueChangeMode() {
- valueChangeHandler.setValueChangeMode(getState().valueChangeMode);
- }
-
- @OnStateChange("valueChangeTimeout")
- private void updateValueChangeTimeout() {
- valueChangeHandler.setValueChangeTimeout(getState().valueChangeTimeout);
- }
-
- @OnStateChange("readOnly")
- private void updateReadOnly() {
- getWidget().setReadOnly(getState().readOnly);
- }
-
- @Override
- public void onUnregister() {
- super.onUnregister();
- getLayoutManager().unregisterDependency(this,
- getWidget().formatter.getElement());
- }
-
- @Override
- public VRichTextArea getWidget() {
- return (VRichTextArea) super.getWidget();
- }
-
- @Override
- public void layout() {
- if (!isUndefinedHeight()) {
- int rootElementInnerHeight = getLayoutManager()
- .getInnerHeight(getWidget().getElement());
- int formatterHeight = getLayoutManager()
- .getOuterHeight(getWidget().formatter.getElement());
- int editorHeight = rootElementInnerHeight - formatterHeight;
- if (editorHeight < 0) {
- editorHeight = 0;
- }
- getWidget().rta.setHeight(editorHeight + "px");
- }
- }
-
- @Override
- public RichTextAreaState getState() {
- return (RichTextAreaState) super.getState();
- }
-
- private boolean hasStateChanged(String widgetValue) {
- return !widgetValue.equals(getState().value);
- }
-
- @Override
- public void sendValueChange() {
- String widgetValue = getWidget().getSanitizedValue();
- if (!hasStateChanged(widgetValue)) {
- return;
- }
-
- getRpcProxy(RichTextAreaServerRpc.class).setText(widgetValue);
- getState().value = widgetValue;
-
- }
-
- @Override
- public void flush() {
- super.flush();
- sendValueChange();
- }
- }
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