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Extra Components of GWT Material Framework
/*
* #%L
* GwtMaterial
* %%
* Copyright (C) 2015 - 2017 GwtMaterialDesign
* %%
* 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.
* #L%
*/
package gwt.material.design.addins.client.stepper;
import com.google.gwt.dom.client.Document;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.HasSelectionHandlers;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.client.ui.Widget;
import gwt.material.design.addins.client.base.constants.AddinsCssName;
import gwt.material.design.addins.client.stepper.constants.State;
import gwt.material.design.client.base.*;
import gwt.material.design.client.base.mixin.ActiveMixin;
import gwt.material.design.client.constants.Axis;
import gwt.material.design.client.constants.CssName;
import gwt.material.design.client.constants.IconType;
import gwt.material.design.client.ui.MaterialIcon;
import gwt.material.design.client.ui.html.Div;
//@formatter:off
/**
* Material Step is a child element of Material Stepper, sometimes called Stepper Item, used to indicate the active
* inactive items on the Stepper Component.
*
*
XML Namespace Declaration
*
* {@code
* xmlns:ma='urn:import:gwt.material.design.addins.client'
* }
*
*
*
UiBinder Usage:
*
* {@code
*
*
* }
*
*
* @author kevzlou7979
* @see Material Steppers
* @see Material Design Specification
*/
// @formatter:on
public class MaterialStep extends MaterialWidget implements HasActive, HasTitle, HasError, HasAxis,
HasSelectionHandlers {
private int step;
private String title;
private String description = "";
// containers
private Div conCircle = new Div();
private Div conBody = new Div();
// elements
private Div divCircle = new Div();
private Div divLine = new Div();
private Div divTitle = new Div();
private Div divDescription = new Div();
private Div divBody = new Div();
private MaterialIcon iconError = new MaterialIcon(IconType.REPORT_PROBLEM);
private MaterialIcon iconSuccess = new MaterialIcon(IconType.CHECK_CIRCLE);
private final ActiveMixin activeMixin = new ActiveMixin<>(this);
private Axis axis = Axis.VERTICAL;
private State state;
public MaterialStep() {
super(Document.get().createDivElement(), AddinsCssName.STEP);
build();
}
public MaterialStep(String title, String description) {
this();
setTitle(title);
setDescription(description);
}
public MaterialStep(String title, String description, Integer step) {
this(title, description);
setStep(step);
}
@Override
protected void build() {
super.add(conCircle);
conCircle.add(divCircle);
conCircle.add(divLine);
super.add(conBody);
conBody.add(divTitle);
conBody.add(divBody);
divCircle.setStyleName(CssName.CIRCLE);
divLine.setStyleName(AddinsCssName.LINE);
divTitle.setStyleName(CssName.TITLE);
divBody.setStyleName(AddinsCssName.BODY);
ClickHandler handler = event -> {
if (isEnabled() && isVisible()) {
SelectionEvent.fire(MaterialStep.this, MaterialStep.this);
}
};
conCircle.addClickHandler(handler);
divTitle.addClickHandler(handler);
divDescription.addClickHandler(handler);
}
@Override
public void add(Widget child) {
divBody.add(child);
}
public int getStep() {
return step;
}
public void setStep(int step) {
this.step = step;
divCircle.getElement().setInnerSafeHtml(SafeHtmlUtils.fromString(String.valueOf(step)));
}
@Override
public void setTitle(String title) {
this.title = title;
divTitle.getElement().setInnerSafeHtml(SafeHtmlUtils.fromString(title));
}
public String getTitle() {
return title;
}
@Override
public void setDescription(String description) {
this.description = description;
divDescription.setStyleName(AddinsCssName.DESCRIPTION);
divDescription.getElement().setInnerSafeHtml(SafeHtmlUtils.fromString(description));
conBody.insert(divDescription, 1);
}
public String getDescription() {
return description;
}
@Override
public void setActive(boolean active) {
activeMixin.setActive(active);
if (active) {
state = State.ACTIVE;
}
}
@Override
public boolean isActive() {
return activeMixin.isActive();
}
@Override
public void setError(String error) {
removeStyleName(AddinsCssName.SUCCESS);
addStyleName(AddinsCssName.ERROR);
applyIconStatus(iconError, error);
state = State.ERROR;
}
@Override
public void setSuccess(String success) {
removeStyleName(AddinsCssName.ERROR);
addStyleName(AddinsCssName.SUCCESS);
applyIconStatus(iconSuccess, success);
state = State.SUCCESS;
}
@Override
public void setHelperText(String helperText) {
setDescription(helperText);
}
public State getState() {
return state;
}
@Override
public void clearErrorOrSuccess() {
iconError.removeFromParent();
iconSuccess.removeFromParent();
conCircle.insert(divCircle, 0);
removeStyleName(AddinsCssName.ERROR);
removeStyleName(AddinsCssName.SUCCESS);
}
protected void applyIconStatus(MaterialIcon icon, String description) {
iconError.removeFromParent();
iconSuccess.removeFromParent();
divCircle.removeFromParent();
conCircle.insert(icon, 0);
if (description != null) {
divDescription.getElement().setInnerSafeHtml(SafeHtmlUtils.fromString(description));
}
}
public Div getConCircle() {
return conCircle;
}
public Div getConBody() {
return conBody;
}
public Div getDivCircle() {
return divCircle;
}
public Div getDivLine() {
return divLine;
}
public Div getDivTitle() {
return divTitle;
}
public Div getDivDescription() {
return divDescription;
}
public Div getDivBody() {
return divBody;
}
@Override
public void setAxis(Axis axis) {
if (axis == null) {
axis = Axis.VERTICAL;
}
this.axis = axis;
switch (axis) {
case HORIZONTAL:
conCircle.add(divTitle);
conCircle.add(divLine);
conCircle.add(divDescription);
break;
case VERTICAL:
conBody.insert(divTitle, 0);
conBody.insert(divDescription, 1);
conCircle.add(divLine);
break;
}
}
@Override
public Axis getAxis() {
return axis;
}
@Override
public HandlerRegistration addSelectionHandler(final SelectionHandler handler) {
return this.addHandler(new SelectionHandler() {
@Override
public void onSelection(SelectionEvent event) {
if (isEnabled()) {
handler.onSelection(event);
}
}
}, SelectionEvent.getType());
}
public MaterialIcon getIconError() {
return iconError;
}
public MaterialIcon getIconSuccess() {
return iconSuccess;
}
}