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- /*
- * Copyright 2000-2018 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.ui;
-
- import org.jsoup.nodes.Element;
-
- import com.vaadin.shared.ui.textarea.TextAreaServerRpc;
- import com.vaadin.shared.ui.textarea.TextAreaState;
- import com.vaadin.ui.declarative.DesignContext;
- import com.vaadin.ui.declarative.DesignFormatter;
-
- /**
- * A text field that supports multi line editing.
- */
- public class TextArea extends AbstractTextField {
-
- /**
- * Constructs an empty TextArea.
- */
- public TextArea() {
- registerRpc(new TextAreaServerRpc() {
-
- @Override
- public void setHeight(String height) {
- TextArea.this.setHeight(height);
- }
-
- @Override
- public void setWidth(String width) {
- TextArea.this.setWidth(width);
- }
- });
- clear();
- }
-
- /**
- * Constructs an empty TextArea with given caption.
- *
- * @param caption
- * the caption for the field.
- */
- public TextArea(String caption) {
- this();
- setCaption(caption);
- }
-
- /**
- * Constructs a TextArea with given caption and value.
- *
- * @param caption
- * the caption for the field
- * @param value
- * the value for the field, not {@code null}
- */
- public TextArea(String caption, String value) {
- this(caption);
- setValue(value);
- }
-
- /**
- * Constructs a new {@code TextArea} with a value change listener.
- * <p>
- * The listener is called when the value of this {@code TextArea} is changed
- * either by the user or programmatically.
- *
- * @param valueChangeListener
- * the value change listener, not {@code null}
- * @since 8.0
- */
- public TextArea(ValueChangeListener<String> valueChangeListener) {
- addValueChangeListener(valueChangeListener);
- }
-
- /**
- * Constructs a new {@code TextArea} with the given caption and a value
- * change listener.
- * <p>
- * The listener is called when the value of this {@code TextArea} is changed
- * either by the user or programmatically.
- *
- * @param caption
- * the caption for the field
- * @param valueChangeListener
- * the value change listener, not {@code null}
- * @since 8.0
- */
- public TextArea(String caption,
- ValueChangeListener<String> valueChangeListener) {
- this(valueChangeListener);
- setCaption(caption);
- }
-
- /**
- * Constructs a new {@code TextArea} with the given caption, initial text
- * contents and a value change listener.
- * <p>
- * The listener is called when the value of this {@code TextArea} is changed
- * either by the user or programmatically.
- *
- * @param caption
- * the caption for the field
- * @param value
- * the value for the field, not {@code null}
- * @param valueChangeListener
- * the value change listener, not {@code null}
- * @since 8.0
- */
- public TextArea(String caption, String value,
- ValueChangeListener<String> valueChangeListener) {
- this(caption, value);
- addValueChangeListener(valueChangeListener);
- }
-
- @Override
- protected TextAreaState getState() {
- return (TextAreaState) super.getState();
- }
-
- @Override
- protected TextAreaState getState(boolean markAsDirty) {
- return (TextAreaState) super.getState(markAsDirty);
- }
-
- /**
- * Sets the number of rows in the text area.
- *
- * @param rows
- * the number of rows for this text area.
- */
- public void setRows(int rows) {
- if (rows < 0) {
- rows = 0;
- }
- getState().rows = rows;
- }
-
- /**
- * Gets the number of rows in the text area.
- *
- * @return number of explicitly set rows.
- */
- public int getRows() {
- return getState(false).rows;
- }
-
- /**
- * Sets the text area's word-wrap mode on or off.
- *
- * @param wordWrap
- * <code>true</code> to use word-wrap mode <code>false</code>
- * otherwise.
- */
- public void setWordWrap(boolean wordWrap) {
- getState().wordWrap = wordWrap;
- }
-
- /**
- * Tests if the text area is in word-wrap mode.
- *
- * @return <code>true</code> if the component is in word-wrap mode,
- * <code>false</code> if not.
- */
- public boolean isWordWrap() {
- return getState(false).wordWrap;
- }
-
- @Override
- public void readDesign(Element design, DesignContext designContext) {
- super.readDesign(design, designContext);
- doSetValue(DesignFormatter.decodeFromTextNode(design.html()));
- }
-
- @Override
- public void writeDesign(Element design, DesignContext designContext) {
- super.writeDesign(design, designContext);
- design.html(DesignFormatter.encodeForTextNode(getValue()));
- }
- }
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