/* (non-Javadoc)
* @see de.enough.polish.browser.TagHandler#handleTag(de.enough.polish.ui.Container, de.enough.polish.xml.PullParser, java.lang.String, boolean, de.enough.polish.util.HashMap, de.enough.polish.ui.Style)
*/
public boolean handleTag(
Container parentItem,
SimplePullParser parser,
String tagName,
boolean opening,
HashMap attributeMap,
Style style) {
// #debug
System.out.println((opening ? "<" : "</") + tagName + ">");
tagName = tagName.toLowerCase();
if (TAG_DIV.equals(tagName) || TAG_SPAN.equals(tagName)) {
if (opening) {
String itemStyleName = (String) attributeMap.get("textclass");
Style itemStyle = (itemStyleName == null ? null : StyleSheet.getStyle(itemStyleName));
if (itemStyle != null) {
this.textStyle = itemStyle;
}
if (this.isDivOrSpanOpened == null) {
this.isDivOrSpanOpened = new BooleanStack();
}
// System.out.println("opening <div> with style " + (style == null ? null : style.name));
if (style != null) {
this.browser.openContainer(style);
}
this.isDivOrSpanOpened.push(style != null);
// this.browser.openContainer( style );
// this.isDivOrSpanOpened.push( true );
} else {
this.textStyle = null;
// System.out.println("closing <div> with container=" + this.isDivOrSpanOpened.peek());
if (this.isDivOrSpanOpened.pop()) {
Container container = this.browser.closeContainer();
if (UiAccess.cast(container) instanceof TableItem) {
this.currentTable = (TableItem) UiAccess.cast(container);
}
}
// Style divStyle = container.getStyle();
// if (divStyle != null) {
// Object[] items = container.getInternalArray();
// for (int i = 0; i < items.length; i++)
// {
// Item item = (Item) items[i];
// if (item == null) {
// break;
// }
// item.setStyle( divStyle );
// }
// }
}
} else if (TAG_SELECT.equals(tagName)) {
if (opening) {
if (this.currentSelect != null) {
// #debug error
System.out.println(
"Error in HTML-Code: You cannot open a <select>-tag inside another <select>-tag.");
ChoiceGroup choiceGroup = this.currentSelect.getChoiceGroup();
add(choiceGroup);
if (this.currentForm == null) {
// #debug error
System.out.println("Error in HTML-Code: no <form> for <select> element found!");
} else {
this.currentForm.addItem(choiceGroup);
}
this.currentSelect = null;
}
String name = parser.getAttributeValue(ATTR_NAME);
String sizeStr = parser.getAttributeValue(ATTR_SIZE);
int size;
try {
size = Integer.parseInt(sizeStr);
} catch (NumberFormatException e) {
size = -1;
}
boolean isMultiple = parser.getAttributeValue(ATTR_MULTIPLE) != null;
this.currentSelect = new HtmlSelect(name, size, isMultiple, style);
} else { // tag is closed
if (this.currentSelect != null) {
ChoiceGroup choiceGroup = this.currentSelect.getChoiceGroup();
add(choiceGroup);
if (this.currentForm == null) {
// #debug error
System.out.println("Error in HTML-Code: no <form> for <select> element found!");
} else {
this.currentForm.addItem(choiceGroup);
}
this.currentSelect = null;
}
// #mdebug error
else {
// #debug error
System.out.println(
"Error in HTML-Code. You cannot close a <select>-tag without opening one.");
}
// #enddebug
}
return true;
} else if (TAG_OPTION.equals(tagName)) {
if (this.currentSelect != null && opening) {
// TODO: handle "selected" attribute.
String value = parser.getAttributeValue(ATTR_VALUE);
String selected = parser.getAttributeValue("selected");
parser.next();
String name = handleText(parser.getText());
if (value == null) {
value = name;
}
this.currentSelect.addOption(name, value, selected != null, style);
}
return true;
} else if (TAG_A.equals(tagName)) {
if (opening) {
this.anchorHref = (String) attributeMap.get(ATTR_HREF);
// #if polish.debug.error
if (this.anchorHref == null) {
// #debug error
System.out.println(
"Unable to handle anchor tag <a> without "
+ ATTR_HREF
+ " attribute: "
+ attributeMap);
}
// #endif
this.browser.openContainer(style);
if (style == null) {
Container container = this.browser.getCurrentContainer();
// #style browserLink
UiAccess.setStyle(container);
}
} else {
// apply link to last item(s):
Container container = this.browser.removeCurrentContainer();
Style contStyle = container.getStyle();
Item linkItem;
if (container.size() == 0) {
linkItem = new StringItem(null, null);
} else if (container.size() == 1) {
linkItem = container.get(0);
} else {
// check if all elements are StringItems - then we should combine them:
boolean allItemsAreStringItems = true;
StringBuffer text = new StringBuffer();
for (int i = 0; i < container.size(); i++) {
Item item = container.get(i);
if (!(item instanceof StringItem)) {
allItemsAreStringItems = false;
break;
} else {
if (text.length() > 0) {
text.append(' ');
}
text.append(((StringItem) item).getText());
}
}
if (allItemsAreStringItems) {
linkItem = new StringItem(null, text.toString());
} else {
linkItem = container;
}
}
// System.out.println("closing <a>: container.size()=" + container.size() + ", linkItem="
// + linkItem + ", style=" + (contStyle != null ? contStyle.name : "<no style>") );
if (this.anchorHref != null) {
if (contStyle != null) {
linkItem.setStyle(contStyle);
} else if (linkItem.getStyle() == null) {
// #style browserLink
UiAccess.setStyle(linkItem);
}
linkItem.setDefaultCommand(CMD_LINK);
linkItem.setItemCommandListener(this);
linkItem.setAttribute(ATTR_HREF, this.anchorHref);
addCommands(TAG_A, linkItem);
add(linkItem);
}
// this.browser.closeContainer();
}
}
if (opening) {
// if (TAG_A.equals(tagName))
// {
// String href = (String) attributeMap.get(ATTR_HREF);
// parser.next();
// Item linkItem;
// if (href != null)
// {
// String anchorText = handleText(parser.getText());
// // hack for image links:
// if ("".equals(anchorText) && TAG_IMG.equals(parser.getName())) {
// // this is an image link:
// attributeMap.clear();
// for (int i = 0; i < parser.getAttributeCount(); i++)
// {
// String attributeName = parser.getAttributeName(i);
// String attributeValue = parser.getAttributeValue(i);
// attributeMap.put(attributeName, attributeValue);
// }
// String src = (String) attributeMap.get("src");
// String url = this.browser.makeAbsoluteURL(src);
// Image image = this.browser.loadImage(url);
// //#style browserLink
// linkItem = new ImageItem(null, image, 0, (String) attributeMap.get("alt") );
// //this.browser.loadImageLater( url, (ImageItem) linkItem );
//
// } else {
// //#style browserLink
// linkItem = new StringItem(null, anchorText);
// }
// linkItem.setDefaultCommand(CMD_LINK);
// linkItem.setItemCommandListener( this );
// linkItem.setAttribute(ATTR_HREF, href );
// addCommands(TAG_A, linkItem);
// }
// else
// {
// //#style browserText
// linkItem = new StringItem(null, handleText(parser.getText()));
// }
// if (style != null) {
// linkItem.setStyle(style);
// }
// add(linkItem);
// return true;
// }
// else
if (TAG_BR.equals(tagName)) {
addLineBreak();
return true;
} else if (TAG_P.equals(tagName)) {
addLineBreak();
if (opening) {
this.textStyle = style;
}
return true;
} else if (TAG_IMG.equals(tagName)) {
String src = (String) attributeMap.get("src");
String url = this.browser.makeAbsoluteURL(src);
Dimension width = parseSizeValue((String) attributeMap.get("width"));
Dimension height = parseSizeValue((String) attributeMap.get("height"));
Style imageStyle = new Style();
imageStyle.addAttribute(58 /* "min-width" */, width);
imageStyle.addAttribute(144 /* "min-height" */, height);
ImageItem item;
if (width != null || height != null) {
item = new ScaledImageItem(null, null, width, height, Item.LAYOUT_DEFAULT, "");
} else {
item = new ImageItem(null, null, Item.LAYOUT_DEFAULT, "");
}
if (imageStyle != null) {
item.setStyle(imageStyle);
}
this.browser.loadImageLater(item, url);
add(item);
return true;
} else if (TAG_TITLE.equals(tagName)) {
// Hack to read title.
parser.next();
String name = handleText(parser.getText());
Screen myScreen = this.browser.getScreen();
if (name != null && myScreen != null) {
myScreen.setTitle(name);
}
return true;
} else if (TAG_STYLE.equals(tagName)) {
// Hack to read style content.
parser.next();
String cssCode = parser.getText();
try {
CssInterpreter reader = new CssInterpreter(cssCode, this.browser);
this.browser.setCssStyles(reader.getAllStyles());
} catch (Exception e) {
// #debug error
System.out.println("Unable to parse CSS" + e);
}
// parser.next();
return true;
} else if (TAG_META.equals(tagName)) {
String httpEquiv = (String) attributeMap.get("http-equiv");
if (httpEquiv != null && TextUtil.equalsIgnoreCase("refresh", httpEquiv)) {
String content = (String) attributeMap.get("content");
if (content != null) {
int semicolonPos = content.indexOf(';');
int waitTime = 0;
String url = content;
if (semicolonPos != -1) {
try {
waitTime = Integer.parseInt(content.substring(0, semicolonPos));
url = content.substring(semicolonPos + 1);
} catch (Exception e) {
if (semicolonPos == 0) {
url = content.substring(1);
}
}
}
int equalsPos = url.indexOf('=');
if (equalsPos != -1) {
url = url.substring(equalsPos + 1).trim();
}
if (url.indexOf(':') == -1) {
// assuming resource protocol:
if (url.charAt(0) != '/') {
url = "resource://" + url;
} else {
url = "resource:/" + url;
}
}
if (waitTime > 0) {
(new RedirectThread(this.browser, waitTime * 1000L, url)).start();
} else {
// consume rest of document:
while (parser.next() != SimplePullParser.END_DOCUMENT) {
// read document..
}
this.browser.go(url);
}
return true;
}
}
return false;
}
// #if polish.Browser.supportTextInput != false
else if (TAG_TEXT_AREA.equals(tagName)) {
parser.next();
String value = handleText(parser.getText());
int maxCharNumber = 500;
String cols = (String) attributeMap.get("cols");
String rows = (String) attributeMap.get("rows");
if (cols != null && rows != null) {
try {
maxCharNumber = Integer.parseInt(cols) * Integer.parseInt(rows);
} catch (Exception e) {
// #debug error
System.out.println(
"Unable to parse textarea cols or rows attribute: cols=" + cols + ", rows=" + rows);
}
}
// #style browserInput
TextField textField = new TextField(null, value, maxCharNumber, TextField.ANY);
if (style != null) {
textField.setStyle(style);
}
add(textField);
if (this.currentForm != null) {
this.currentForm.addItem(textField);
textField.setAttribute(ATTR_FORM, this.currentForm);
String name = (String) attributeMap.get(INPUT_NAME);
if (value == null) {
value = name;
}
if (name != null) {
textField.setAttribute(ATTR_NAME, name);
textField.setAttribute(ATTR_VALUE, value);
}
}
return true;
}
// #endif
else if (TAG_BUTTON.equals(tagName) && this.currentForm != null) {
String name = (String) attributeMap.get(INPUT_NAME);
String value = (String) attributeMap.get(INPUT_VALUE);
if (value == null) {
value = name;
}
// #style browserLink
StringItem buttonItem = new StringItem(null, value);
if (style != null) {
buttonItem.setStyle(style);
}
buttonItem.setDefaultCommand(CMD_SUBMIT);
buttonItem.setItemCommandListener(this);
addCommands(TAG_INPUT, INPUT_TYPE, INPUTTYPE_SUBMIT, buttonItem);
add(buttonItem);
this.currentForm.addItem(buttonItem);
buttonItem.setAttribute(ATTR_FORM, this.currentForm);
buttonItem.setAttribute(ATTR_TYPE, "submit");
if (name != null) {
buttonItem.setAttribute(ATTR_NAME, name);
buttonItem.setAttribute(ATTR_VALUE, value);
}
} else if (TAG_INPUT.equals(tagName)) {
if (this.currentForm != null) {
String type = (String) attributeMap.get(INPUT_TYPE);
String name = (String) attributeMap.get(INPUT_NAME);
String value = (String) attributeMap.get(INPUT_VALUE);
if (type != null) {
type = type.toLowerCase();
}
if (this.formListener != null && name != null) {
value =
this.formListener.verifyInitialFormValue(this.currentForm.getAction(), name, value);
}
// #if polish.Browser.supportTextInput != false
if (INPUTTYPE_TEXT.equals(type)
|| INPUTTYPE_PASSWORD.equals(type)
|| INPUTTYPE_NUMERIC.equals(type)) {
int constraints;
if (INPUTTYPE_NUMERIC.equals(type)) {
constraints = TextField.NUMERIC;
} else {
constraints = INPUTTYPE_TEXT.equals(type) ? TextField.ANY : TextField.PASSWORD;
}
// #style browserInput
TextField textField =
new TextField((String) attributeMap.get("label"), value, 100, constraints);
if (style != null) {
textField.setStyle(style);
}
add(textField);
this.currentForm.addItem(textField);
textField.setAttribute(ATTR_FORM, this.currentForm);
if (name != null) {
textField.setAttribute(ATTR_NAME, name);
if (value == null) {
value = "";
}
textField.setAttribute(ATTR_VALUE, value);
}
} else
// #endif
if (INPUTTYPE_SUBMIT.equals(type)) {
if (value == null) {
value = name;
}
// #style browserLink
StringItem buttonItem = new StringItem((String) attributeMap.get("label"), value);
if (style != null) {
buttonItem.setStyle(style);
}
buttonItem.setDefaultCommand(CMD_SUBMIT);
buttonItem.setItemCommandListener(this);
addCommands(TAG_INPUT, INPUT_TYPE, INPUTTYPE_SUBMIT, buttonItem);
add(buttonItem);
this.currentForm.addItem(buttonItem);
buttonItem.setAttribute(ATTR_FORM, this.currentForm);
buttonItem.setAttribute(ATTR_TYPE, "submit");
if (name != null) {
buttonItem.setAttribute(ATTR_NAME, name);
buttonItem.setAttribute(ATTR_VALUE, value);
}
} else if (INPUTTYPE_HIDDEN.equals(type)) {
this.currentForm.addHiddenElement(name, value);
} else if (INPUTTYPE_CHECKBOX.equals(type) || INPUTTYPE_RADIO.equals(type)) {
boolean isCheckBox = INPUTTYPE_CHECKBOX.equals(type);
parser.next();
String label = parser.getText().trim();
int labelLength = label.length();
if (labelLength == 0) {
parser.next();
label = parser.getText().trim();
labelLength = label.length();
}
if ((labelLength > 0) && label.charAt(labelLength - 1) == '\n') {
label = label.substring(0, labelLength - 1);
}
ChoiceGroup choiceGroup;
if (isCheckBox) {
choiceGroup = this.currentCheckBoxChoiceGroup;
} else {
choiceGroup = this.currentRadioChoiceGroup;
}
if (choiceGroup == null || !name.equals(choiceGroup.getAttribute(ATTR_NAME))) {
// create a new choice group:
String groupLabel = (String) attributeMap.get("label");
if (isCheckBox) {
// #style browserChoiceGroupMultiple
choiceGroup = new ChoiceGroup(groupLabel, Choice.MULTIPLE);
} else {
String choiceType = (String) attributeMap.get("choice");
if ("popup".equals(choiceType)) {
// #style browserChoiceGroupPopup
choiceGroup = new ChoiceGroup(groupLabel, Choice.POPUP);
this.currentRadioChoiceGroup = choiceGroup;
} else {
// #style browserChoiceGroupExclusive
choiceGroup = new ChoiceGroup(groupLabel, Choice.EXCLUSIVE);
this.currentRadioChoiceGroup = choiceGroup;
}
}
choiceGroup.setAttribute(ATTR_NAME, name);
String styleName = (String) attributeMap.get("groupclass");
if (styleName != null) {
Style groupStyle = StyleSheet.getStyle(styleName);
if (groupStyle != null) {
choiceGroup.setStyle(groupStyle);
}
}
add(choiceGroup);
if (this.currentForm == null) {
// #debug error
System.out.println("Error in HTML-Code: no <form> for <select> element found!");
} else {
this.currentForm.addItem(choiceGroup);
}
// end of creating a new choice group
}
ChoiceItem item;
if (isCheckBox) {
// #style browserCheckBox
item = new ChoiceItem(label, null, Choice.MULTIPLE);
} else {
// #style browserRadio
item = new ChoiceItem(label, null, choiceGroup.getType());
}
item.setAttribute(ATTR_VALUE, value);
choiceGroup.append(item);
if (attributeMap.get("checked") != null) {
choiceGroup.setSelectedIndex(choiceGroup.size() - 1, true);
}
if (style != null) {
item.setStyle(style);
}
}
// #if polish.debug.debug
else {
// #debug
System.out.println("unhandled html form input type: " + type);
}
// #endif
}
return true;
} else if (TAG_SCRIPT.equals(tagName)) {
// Consume javascript code.
parser.next();
return true;
} else if (TAG_TABLE.equals(tagName)) {
// #style browserTable?
TableItem table = new TableItem();
table.setSelectionMode(
TableItem.SELECTION_MODE_CELL | TableItem.SELECTION_MODE_INTERACTIVE);
table.setCellContainerStyle(this.browser.getStyle());
if (style != null) {
table.setStyle(style);
}
this.currentTable = table;
this.browser.openContainer(table);
return true;
} else if (this.currentTable != null && TAG_TR.equals(tagName)) {
this.currentTable.moveToNextRow();
return true;
} else if (this.currentTable != null && TAG_TH.equals(tagName)) {
// TODO differentiate between th and td
this.currentTable.moveToNextColumn();
return true;
} else if (this.currentTable != null && TAG_TD.equals(tagName)) {
// TODO differentiate between th and td
this.currentTable.moveToNextColumn();
return true;
} else if (TAG_CODE.equals(tagName)) {
// #if polish.css.style.browsertextcode && !polish.LibraryBuild
// #style browserTextCode
// # this.textStyle = ();
// #endif
}
} else {
// the tag is being closed:
if (TAG_TABLE.equals(tagName)) {
Container container = this.browser.closeContainer();
if (UiAccess.cast(container) instanceof TableItem) {
this.currentTable = (TableItem) UiAccess.cast(container);
} else {
this.currentTable = null;
}
return true;
}
if (TAG_CODE.equals(tagName)) {
this.textStyle = null;
}
}
if (TAG_B.equals(tagName) || TAG_STRONG.equals(tagName)) {
this.textBold = opening;
return true;
} else if (TAG_I.equals(tagName) || TAG_EM.equals(tagName)) {
this.textItalic = opening;
return true;
} else if (TAG_FORM.equals(tagName)) {
if (opening) {
String name = (String) attributeMap.get("name");
String action = (String) attributeMap.get("action");
String method = (String) attributeMap.get("method");
String encoding = (String) attributeMap.get("enctype");
if (method == null) {
method = "GET";
}
this.currentForm =
new HtmlForm(name, action, method, encoding, this.browser, this.formListener);
this.browser.addForm(this.currentForm);
this.browser.openContainer(style);
} else {
this.browser.closeContainer();
this.currentForm = null;
this.currentCheckBoxChoiceGroup = null;
this.currentRadioChoiceGroup = null;
}
return true;
} else if (opening && TAG_BODY.equals(tagName)) {
if (style != null) {
// System.out.println("applying style " + style.name + " for body with bg=" +
// style.background);
this.browser.setBackground(style.background);
this.browser.setBorder(style.border);
this.browser.setStyle(style, false);
}
}
return false;
}