private void addMediaQuery(String query, CssBlock cssBlock) {
System.out.println("adding media query " + query);
String[] groups = cssBlock.getGroupNames();
for (int i = 0; i < groups.length; i++) {
String group = groups[i];
AttributesGroup map = cssBlock.getGroupDeclarations(group);
System.out.println("style " + group + " has " + map.size() + " attributes ");
}
}
/**
* Adds a CSS block to this style sheet. A CSS block contains either a style or the colors, fonts,
* borders or backgrounds areas.
*
* @param cssBlock the block containing CSS declarations
*/
public void addCssBlock(CssBlock cssBlock) {
this.isInitialised = false;
String selector = cssBlock.getSelector().toLowerCase();
String[] groupNames = cssBlock.getGroupNames();
AttributesGroup[] groups = new AttributesGroup[groupNames.length];
for (int i = 0; i < groups.length; i++) {
groups[i] = cssBlock.getGroupDeclarations(groupNames[i]);
}
Map<String, AttributesGroup> target = null;
if ("colors".equals(selector)) {
target = this.colors;
} else if ("fonts".equals(selector)) {
target = this.fonts;
} else if ("backgrounds".equals(selector)) {
target = this.backgrounds;
} else if ("borders".equals(selector)) {
target = this.borders;
}
if (target != null) {
for (int i = 0; i < groups.length; i++) {
String name = groupNames[i];
AttributesGroup group = groups[i];
AttributesGroup targetGroup = (AttributesGroup) target.get(name);
if (targetGroup == null) {
target.put(name, group);
} else {
targetGroup.putAll(group);
}
}
} else { // this is a style:
String parent = null;
int extendsPos = selector.indexOf(" extends ");
int colonPos = selector.indexOf(':');
if (extendsPos != -1) {
if (colonPos != -1) {
throw new BuildException(
"Invalid CSS: the CSS style \""
+ selector
+ "\" is a pseudo style that uses an extends clause. Please either use a pseudo style (:hover, etc) or use the extends clause. Pseudo styles inherit from their base styles automatically. Please adjust your polish.css design settings.");
}
parent = selector.substring(extendsPos + 9).trim();
if (parent.charAt(0) == '.') {
parent = parent.substring(1);
}
selector = selector.substring(0, extendsPos).trim();
if ("default".equals(selector)) {
throw new BuildException(
"Invalid CSS code: The style [default] must not extend any other style.");
}
}
// check for the "[parentStyleName]:hover" "[parentStyleName]:pressed" etc syntax:
if (colonPos != -1) {
// allow any number of levels of pseudo styles, e.g. myStyle:hover:visited:pressed
String subName = null;
Style parentStyle = null;
while (colonPos != -1) {
subName = selector.substring(colonPos + 1);
int subNameColonIndex = subName.indexOf(':');
if (subNameColonIndex != -1) {
subName = subName.substring(0, subNameColonIndex).trim();
}
parent = selector.substring(0, colonPos).trim();
if (parent.charAt(0) == '.') {
parent = parent.substring(1);
}
parentStyle = getStyle(parent);
if (parentStyle == null && this.mediaQueryCondition == null) {
throw new BuildException(
"Invalid CSS: the :"
+ subName
+ " CSS style \""
+ selector
+ "\" needs to follow AFTER the referenced style definition. Please adjust your polish.css design settings.");
}
// found parent style, now set the implicit focused-style attribute:
String newStyleName = subName;
if (subName.equals("hover")) {
newStyleName = "focused";
}
selector =
(selector.substring(0, colonPos).trim()
+ newStyleName
+ selector.substring(colonPos + subName.length() + 1).trim())
.trim();
subName = newStyleName;
// System.out.println("selector: " + selector );
// System.out.println( "subname: [" + subName + "]");
colonPos = selector.indexOf(':');
}
cssBlock.setSelector(selector);
if (parentStyle != null) {
AttributesGroup referenceMap = new AttributesGroup(parentStyle, subName, 1);
referenceMap.put("style", parent + subName);
parentStyle.addGroup(subName, referenceMap);
}
}
boolean isDynamicStyle = false;
// check if this style is dynamic:
isDynamicStyle =
(selector.indexOf(' ') != -1)
|| (selector.indexOf('\t') != -1)
|| (selector.indexOf('>') != -1)
|| (selector.indexOf('*') != -1);
if (selector.charAt(0) == '.') {
selector = selector.substring(1);
if (PSEUDO_CLASSES.get(selector) != null) {
throw new BuildException(
"Invalid CSS code: The style [."
+ selector
+ "] uses a reserved name, please choose another one or remove the leading dot of the name.");
}
} else {
// this could be a DYNAMIC style:
if (PSEUDO_CLASSES.get(selector) == null && selector.indexOf(':') == -1) {
isDynamicStyle = true;
}
}
if (isDynamicStyle) {
this.containsDynamicStyles = true;
// System.out.println("project uses dynamic style: [" + selector + "]");
}
// check for reserved names of the style-selector:
if (KEYWORDS.get(selector) != null) {
throw new BuildException(
"Invalid CSS code: The style-selector ["
+ selector
+ "] uses a reserved keyword, please choose another name.");
}
if (selector.startsWith("@media ")) {
addMediaQuery(selector.substring("@media ".length()).trim(), cssBlock);
} else {
// this is a traditional style:
String styleName = StringUtil.replace(selector, '-', '_');
if (isDynamicStyle) {
selector = StringUtil.replace(selector, ".", "");
selector = StringUtil.replace(selector, '\t', ' ');
selector = StringUtil.replace(selector, " > ", ">");
selector = StringUtil.replace(selector, " > ", ">");
selector = StringUtil.replace(selector, " * ", "*");
selector = StringUtil.replace(selector, " ", " ");
styleName = StringUtil.replace(selector, ' ', '_');
styleName = StringUtil.replace(styleName, ">", "__");
styleName = StringUtil.replace(styleName, "*", "___");
}
// check style name for invalid characters:
if ((styleName.indexOf('.') != -1)
|| (styleName.indexOf('"') != -1)
|| (styleName.indexOf('\'') != -1)
|| (styleName.indexOf('*') != -1)
|| (styleName.indexOf('+') != -1)
|| (styleName.indexOf('-') != -1)
|| (styleName.indexOf('/') != -1)
|| (styleName.indexOf(':') != -1)
|| (styleName.indexOf('=') != -1)
|| (styleName.indexOf('|') != -1)
|| (styleName.indexOf('&') != -1)
|| (styleName.indexOf('~') != -1)
|| (styleName.indexOf('!') != -1)
|| (styleName.indexOf('^') != -1)
|| (styleName.indexOf('(') != -1)
|| (styleName.indexOf(')') != -1)
|| (styleName.indexOf('%') != -1)
|| (styleName.indexOf('?') != -1)
|| (styleName.indexOf('#') != -1)
|| (styleName.indexOf('$') != -1)
|| (styleName.indexOf('@') != -1)) {
throw new BuildException(
"Invalid CSS code: The style-selector ["
+ selector
+ "] contains invalid characters, please use only alpha-numeric characters for style-names.");
}
Style style = (Style) this.stylesByName.get(styleName);
if (style == null) {
style = new Style(selector, styleName, isDynamicStyle, parent, cssBlock);
this.styles.add(style);
// System.out.println("added new style [" + style.getStyleName() + "].");
this.stylesByName.put(selector, style);
} else {
style.add(cssBlock);
}
}
}
}
