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/*
* Copyright 2004-2013 ICEsoft Technologies Canada Corp.
*
* 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.icesoft.faces.component.outputprogress;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import com.icesoft.faces.component.CSS_DEFAULT;
import com.icesoft.faces.component.ExtendedAttributeConstants;
import com.icesoft.faces.component.ext.taglib.Util;
import com.icesoft.faces.context.DOMContext;
import com.icesoft.faces.renderkit.dom_html_basic.DomBasicInputRenderer;
import com.icesoft.faces.renderkit.dom_html_basic.HTML;
import com.icesoft.faces.renderkit.dom_html_basic.PassThruAttributeRenderer;
import com.icesoft.util.pooling.ClientIdPool;
public class OutputProgressRenderer extends DomBasicInputRenderer {
private static final String[] passThruAttributes =
ExtendedAttributeConstants.getAttributes(ExtendedAttributeConstants.ICE_OUTPUTPROGRESS);
private final String NBSP = HTML.NBSP_ENTITY;
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
throws IOException {
validateParameters(facesContext, uiComponent, OutputProgress.class);
DOMContext domContext =
DOMContext.attachDOMContext(facesContext, uiComponent);
if (!domContext.isInitialized()) {
Element table = domContext.createRootElement(HTML.TABLE_ELEM);
setRootElementId(facesContext, table, uiComponent);
table.setAttribute(HTML.CELLPADDING_ATTR, "0");
table.setAttribute(HTML.CELLSPACING_ATTR, "0");
table.setAttribute(HTML.BORDER_ATTR, "0");
}
Element table = (Element) domContext.getRootNode();
String style = ((OutputProgress) uiComponent).getStyle();
if(style != null && style.length() > 0)
table.setAttribute(HTML.STYLE_ATTR, style);
else
table.removeAttribute(HTML.STYLE_ATTR);
//In order to fix IRAPtor Bug 291, we took out buildLayout() from the intialized block,
//Because of variouse text position, layout could have different combination of tr and td
//therefore we are storing nodes to the component itself.
buildLayout(table, uiComponent, domContext);
PassThruAttributeRenderer.renderHtmlAttributes(facesContext, uiComponent, passThruAttributes);
domContext.stepOver();
}
private void setPercentage(UIComponent uiComponent,
DOMContext domContext,
Text percentageText,
Element fillBar) {
OutputProgress progressBar = (OutputProgress) uiComponent;
String progressLabel = progressBar.getProgressLabel();
int percentValue = progressBar.getValue();
if (percentValue > 100) {
percentValue = 100;
}
if (percentValue < 0) {
percentValue = 0;
}
//update percent value in determinate mode only
if (progressBar.getIndeterminate() == false) {
percentageText.setData(percentValue + " %");
}
if (percentValue < 100) {
if (progressLabel != null && progressLabel.length() > 0) {
percentageText.setData(progressLabel);
}
//following if block is for Indeterminate mode only
if (progressBar.getIndeterminate()) {
if (percentValue < 1) {
fillBar.setAttribute(HTML.CLASS_ATTR,
progressBar.getIndeterminateInactiveClass());
percentageText.setData(NBSP);
} else {
fillBar.setAttribute(HTML.CLASS_ATTR,
progressBar.getIndeterminateActiveClass());
fillBar.setAttribute(HTML.STYLE_ATTR,
"position:absolute;width:100%");
if (progressLabel != null && progressLabel.length() > 0) {
percentageText.setData(progressLabel);
} else {
percentageText.setData(NBSP);
}
}
}
} else {
if (progressBar.getIndeterminate()) {
fillBar.setAttribute(HTML.CLASS_ATTR,
progressBar.getIndeterminateInactiveClass());
fillBar.setAttribute(HTML.STYLE_ATTR,
"position:absolute;width:100%;");
}
String progressCompleteLabel = progressBar.getProgressLabelComplete();
if (progressCompleteLabel != null && progressCompleteLabel.length() > 0) {
percentageText.setData(progressCompleteLabel);
}
}
// The following fix is required for determinate mode only
if (progressBar.getIndeterminate() == false) {
// This code it to fix IE renderering. If a nbsp is present and the value is zero
// then a tiny bit of the bar is rendered. However if this value is missing then
// firefox will not render the bar. Therefore we don't add the nbsp until we
// need to render the bar
Node node = fillBar.getFirstChild();
if (node instanceof Text) {
if (percentValue <= 0) {
fillBar.removeChild(node);
}
} else if (node == null) {
if (percentValue > 0) {
Text nbsp4opera = domContext.createTextNodeUnescaped(NBSP);
fillBar.appendChild(nbsp4opera);
}
}
}
//set the percent value for determinate mode only
if (progressBar.getIndeterminate() == false) {
fillBar.setAttribute(HTML.STYLE_ATTR, "position:absolute;width:" +
percentValue + "%;");
}
}
private void buildLayout(Element table, UIComponent uiComponent,
DOMContext domContext) {
Node node = table.getFirstChild();
Element tbody = domContext.createElement(HTML.TBODY_ELEM);
if (node != null) {
table.replaceChild(tbody, node);
} else {
table.appendChild(tbody);
}
OutputProgress progressBar = (OutputProgress) uiComponent;
table.setAttribute(HTML.CLASS_ATTR, progressBar.getStyleClass());
Element row = domContext.createElement(HTML.TR_ELEM);
Element textTd = domContext.createElement(HTML.TD_ELEM);
textTd.setAttribute(HTML.CLASS_ATTR, progressBar.getTextClass());
Element barTd = domContext.createElement(HTML.TD_ELEM);
tbody.appendChild(row);
Text percentageText = null;
if (progressBar.getProgressLabel() != null) {
//add the blank label initially
percentageText = domContext.createTextNodeUnescaped(NBSP);
} else {
percentageText = domContext.createTextNode("0 %");
}
textTd.appendChild(percentageText);
textTd.setAttribute("id", ClientIdPool.get(uiComponent
.getClientId(FacesContext.getCurrentInstance()) +
"percentageText"));
Element bgBar = domContext.createElement(HTML.DIV_ELEM);
bgBar.setAttribute(HTML.CLASS_ATTR, progressBar.getBackgroundClass());
bgBar.setAttribute(HTML.STYLE_ATTR, "position:relative;");
Element fillBar = domContext.createElement(HTML.DIV_ELEM);
fillBar.setAttribute(HTML.ID_ATTR, ClientIdPool.get(uiComponent
.getClientId(FacesContext.getCurrentInstance()) + "bar"));
if (progressBar.getIndeterminate() == false) { //determinate mode
fillBar.setAttribute(HTML.CLASS_ATTR, progressBar.getFillClass());
fillBar.setAttribute(HTML.STYLE_ATTR, "position:absolute;width:0%");
} else {// indeterminate mode
fillBar.setAttribute(HTML.CLASS_ATTR,
progressBar.getIndeterminateInactiveClass());
fillBar.setAttribute(HTML.STYLE_ATTR,
"position:absolute;width:100%;");
}
bgBar.appendChild(fillBar);
Text nbsp4mozila = domContext.createTextNodeUnescaped(NBSP);
barTd.appendChild(bgBar);
String textPosition = progressBar.getLabelPosition();
if (!isValidTextPosition(textPosition.toString().toLowerCase())) {
throw new FacesException(
"Please define valid textPosition [top|bottom|left|right|topcenter|bottomcenter|topright|bottomright|embed]");
}
if (textPosition.toString().equalsIgnoreCase("left")) {
textTd.setAttribute("style", "vertical-align: middle;");
row.appendChild(textTd);
row.appendChild(barTd);
}
if (textPosition.toString().equalsIgnoreCase("right")) {
textTd.setAttribute("style", "vertical-align: middle;");
row.appendChild(barTd);
row.appendChild(textTd);
}
if (textPosition.toString().toLowerCase().startsWith("top")) {
Element row2 = domContext.createElement(HTML.TR_ELEM);
row.appendChild(textTd);
row2.appendChild(barTd);
tbody.appendChild(row2);
if (textPosition.toString().equalsIgnoreCase("topcenter")) {
textTd.setAttribute("align", "center");
}
if (textPosition.toString().equalsIgnoreCase("topright")) {
textTd.setAttribute("align", "right");
}
}
if (textPosition.toString().toLowerCase().startsWith("bottom")) {
Element row2 = domContext.createElement(HTML.TR_ELEM);
row.appendChild(barTd);
row2.appendChild(textTd);
tbody.appendChild(row2);
if (textPosition.toString().equalsIgnoreCase("bottomcenter")) {
textTd.setAttribute("align", "center");
}
if (textPosition.toString().equalsIgnoreCase("bottomright")) {
textTd.setAttribute("align", "right");
}
}
if (textPosition.toString().equalsIgnoreCase("embed")) {
Element embedDiv = domContext.createElement(HTML.DIV_ELEM);
embedDiv.setAttribute(HTML.CLASS_ATTR,
progressBar.getTextClass());
embedDiv.setAttribute(HTML.STYLE_ATTR,
"text-align:center;position:relative;background-color:transparent;width:100%;z-index:1;");
embedDiv.appendChild(percentageText);
if (progressBar.getIndeterminate() == false) {//determinate mode
bgBar.appendChild(embedDiv);
} else {//indeterminate mode
fillBar.appendChild(embedDiv);
}
row.appendChild(barTd);
} else {
// fix for mozila
Text nbsp4opera = domContext.createTextNodeUnescaped(NBSP);
// fix for opera
fillBar.appendChild(nbsp4opera);
bgBar.appendChild(nbsp4mozila);
}
setPercentage(uiComponent, domContext, percentageText, fillBar);
}
private boolean isValidTextPosition(String textPosition) {
String[] validPosition = {"top", "bottom", "left", "right", "topcenter",
"bottomcenter", "topright", "bottomright",
"embed"};
for (int i = 0; i < validPosition.length; i++) {
if (validPosition[i].equals(textPosition)) {
return true;
}
}
return false;
}
}
