/**
* Sencha GXT 3.1.0-beta - Sencha for GWT
* Copyright(c) 2007-2014, Sencha, Inc.
* licensing@sencha.com
*
* http://www.sencha.com/products/gxt/license/
*/
package com.sencha.gxt.theme.base.client.field;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.resources.client.ImageResource.ImageOptions;
import com.google.gwt.resources.client.ImageResource.RepeatStyle;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.sencha.gxt.cell.core.client.form.FieldCell.FieldAppearanceOptions;
import com.sencha.gxt.cell.core.client.form.TextAreaInputCell.TextAreaAppearance;
import com.sencha.gxt.cell.core.client.form.TextAreaInputCell.TextAreaCellOptions;
import com.sencha.gxt.core.client.GXT;
import com.sencha.gxt.core.client.dom.XElement;
import com.sencha.gxt.core.client.util.Size;
import com.sencha.gxt.theme.base.client.field.TextFieldDefaultAppearance.TextFieldStyle;
public class TextAreaDefaultAppearance extends ValueBaseFieldDefaultAppearance implements TextAreaAppearance {
public interface TextAreaResources extends ValueBaseFieldResources, ClientBundle {
@Source({"ValueBaseField.css", "TextField.css", "TextArea.css"})
TextAreaStyle css();
@ImageOptions(repeatStyle = RepeatStyle.Horizontal)
ImageResource textBackground();
}
public interface TextAreaStyle extends TextFieldStyle {
}
private final TextAreaResources res;
private final TextAreaStyle style;
public TextAreaDefaultAppearance() {
this(GWT.<TextAreaResources> create(TextAreaResources.class));
}
public TextAreaDefaultAppearance(TextAreaResources resources) {
super(resources);
this.res = resources;
this.style = this.res.css();
}
@Override
public XElement getInputElement(Element parent) {
return parent.getFirstChildElement().getFirstChildElement().cast();// textarea
}
@Override
public void onResize(XElement parent, int width, int height) {
Element div = parent.getFirstChildElement();
Size adj = adjustTextAreaSize(width, height);
if (width != -1) {
div.getStyle().setWidth(width, Unit.PX);
width = adj.getWidth();
div.getFirstChildElement().getStyle().setWidth(width, Unit.PX);
}
if (height != -1) {
height = adj.getHeight();
div.getFirstChildElement().getStyle().setHeight(height, Unit.PX);
}
}
@Override
public void render(SafeHtmlBuilder sb, String value, FieldAppearanceOptions options) {
int width = options.getWidth();
int height = options.getHeight();
boolean empty = false;
String name = options.getName() != null ? " name='" + options.getName() + "' " : "";
String disabled = options.isDisabled() ? " disabled=true" : "";
String ro = options.isReadonly() ? " readonly" : "";
if ((value == null || value.equals("")) && options.getEmptyText() != null) {
value = options.getEmptyText();
empty = true;
}
if (width == -1) {
width = 150;
}
String inputStyles = "";
String wrapStyles = "";
Size adjusted = adjustTextAreaSize(width, height);
if (width != -1) {
wrapStyles += "width:" + width + "px;";
width = adjusted.getWidth();
inputStyles += "width:" + width + "px;";
}
if (height != -1) {
height = adjusted.getHeight();
inputStyles += "height: " + height + "px;";
}
String cls = style.area() + " " + style.field();
if (empty) {
cls += " " + style.empty();
}
if (options instanceof TextAreaCellOptions) {
TextAreaCellOptions opts = (TextAreaCellOptions) options;
inputStyles += "resize:" + opts.getResizable().name().toLowerCase() + ";";
}
sb.appendHtmlConstant("<div style='" + wrapStyles + "' class='" + style.wrap() + "'>");
sb.appendHtmlConstant("<textarea " + name + disabled + " style='" + inputStyles + "' type='text' class='" + cls
+ "'" + ro + ">");
sb.append(SafeHtmlUtils.fromString(value));
sb.appendHtmlConstant("</textarea></div>");
}
protected Size adjustTextAreaSize(int width, int height) {
if (width != -1) {
// 2px border
width -= 2;
// 6px margin except for gecko which has 0px margin
if (!GXT.isGecko()) {
width -= 6;
}
}
if (height != -1) {
// 2px border
height -= 2;
// 2px margin except gecko which has 0px margin
if (!GXT.isGecko()) {
height -= 2;
}
}
return new Size(width, height);
}
}