/**
* support body auto resize, remove invalid header and footer
*
* @param page
*/
protected void updateBodySize() {
if (header != null && header.getHeight() >= root.getHeight()) {
removeHeader();
header = null;
}
if (footer != null && footer.getHeight() >= root.getHeight()) {
removeFooter();
footer = null;
}
if (header != null
&& footer != null
&& footer.getHeight() + header.getHeight() >= root.getHeight()) {
removeHeader();
}
body.setHeight(
root.getContentHeight()
- (header == null ? 0 : header.getHeight())
- (footer == null ? 0 : footer.getHeight()));
body.setPosition(
body.getX(),
(header == null ? 0 : header.getHeight()) + root.getBoxStyle().getTopBorderWidth());
if (footer != null) {
footer.setPosition(
footer.getX(),
(header == null ? 0 : header.getHeight())
+ root.getBoxStyle().getTopBorderWidth()
+ (body == null ? 0 : body.getHeight()));
}
}
/** layout page footer area */
protected void layoutFooter() {
IContent footerContent = pageContent.getPageFooter();
if (footerContent != null) {
DimensionType h = pageContent.getFooterHeight();
if (h == null) {
h = new DimensionType(0.5f, DimensionType.UNITS_IN);
}
footerContent.setHeight(h);
footer.content = footerContent;
boolean autoPageBreak = context.isAutoPageBreak();
context.setAutoPageBreak(false);
RegionLayoutEngine rle = new RegionLayoutEngine(footer, context);
try {
rle.layout(footerContent);
} catch (BirtException e) {
logger.log(Level.WARNING, e.getMessage(), e);
}
context.setAutoPageBreak(autoPageBreak);
}
}
protected void createRoot() {
int overFlowType = context.getPageOverflow();
if (overFlowType == IPDFRenderOption.OUTPUT_TO_MULTIPLE_PAGES) {
// page.setExtendToMultiplePages( true );
}
pageContentWidth =
getDimensionValue(pageContent, pageContent.getPageWidth())
- boxStyle.getLeftBorderWidth()
- boxStyle.getRightBorderWidth();
pageContentHeight =
getDimensionValue(pageContent, pageContent.getPageHeight())
- boxStyle.getTopBorderWidth()
- boxStyle.getBottomBorderWidth();
// validate page width
if (pageContentWidth <= 0) {
pageContentWidth = DEFAULT_PAGE_WIDTH;
}
// validate page height
if (pageContentHeight <= 0) {
pageContentHeight = DEFAULT_PAGE_HEIGHT;
}
setWidth(pageContentWidth);
setHeight(pageContentHeight);
/** set position and dimension for root */
ContainerArea pageRoot = new BlockContainerArea();
BoxStyle boxStyle = buildRootStyle();
if (boxStyle != BoxStyle.DEFAULT) {
pageRoot.hasStyle = true;
}
pageRoot.setBoxStyle(boxStyle);
rootLeft = getDimensionValue(pageContent, pageContent.getMarginLeft(), pageContentWidth);
rootTop = getDimensionValue(pageContent, pageContent.getMarginTop(), pageContentWidth);
rootLeft = Math.max(0, rootLeft);
rootLeft = Math.min(pageContentWidth, rootLeft);
rootTop = Math.max(0, rootTop);
rootTop = Math.min(pageContentHeight, rootTop);
pageRoot.setPosition(rootLeft, rootTop);
int rootRight = getDimensionValue(pageContent, pageContent.getMarginRight(), pageContentWidth);
int rootBottom =
getDimensionValue(pageContent, pageContent.getMarginBottom(), pageContentWidth);
rootRight = Math.max(0, rootRight);
rootBottom = Math.max(0, rootBottom);
if (rootLeft + rootRight > pageContentWidth) {
rootRight = 0;
}
if (rootTop + rootBottom > pageContentHeight) {
rootBottom = 0;
}
rootWidth = pageContentWidth - rootLeft - rootRight;
rootHeight = pageContentHeight - rootTop - rootBottom;
pageRoot.setWidth(rootWidth);
pageRoot.setHeight(rootHeight);
setRoot(pageRoot);
pageRoot.setParent(this);
/** set position and dimension for header */
int headerHeight =
getDimensionValue(pageContent, pageContent.getHeaderHeight(), pageRoot.getHeight());
int headerWidth =
pageRoot.getWidth() - boxStyle.getLeftBorderWidth() - boxStyle.getRightBorderWidth();
headerHeight = Math.max(0, headerHeight);
headerHeight = Math.min(pageRoot.getHeight(), headerHeight);
RegionArea header = new RegionArea();
header.setHeight(headerHeight);
header.setWidth(headerWidth);
header.context = context;
header.needClip = true;
header.setPosition(boxStyle.getLeftBorderWidth(), boxStyle.getTopBorderWidth());
pageRoot.addChild(header);
setHeader(header);
header.setParent(pageRoot);
/** set position and dimension for footer */
int footerHeight =
getDimensionValue(pageContent, pageContent.getFooterHeight(), pageRoot.getHeight());
int footerWidth =
pageRoot.getWidth() - boxStyle.getLeftBorderWidth() - boxStyle.getRightBorderWidth();
footerHeight = Math.max(0, footerHeight);
footerHeight = Math.min(pageRoot.getHeight() - headerHeight, footerHeight);
RegionArea footer = new RegionArea();
footer.setHeight(footerHeight);
footer.setWidth(footerWidth);
footer.context = context;
footer.needClip = true;
footer.setPosition(
boxStyle.getLeftBorderWidth(),
pageRoot.getHeight() - boxStyle.getBottomBorderWidth() - footerHeight);
pageRoot.addChild(footer);
setFooter(footer);
footer.setParent(pageRoot);
/** set position and dimension for body */
ContainerArea body = new BlockContainerArea();
int bodyLeft = getDimensionValue(pageContent, pageContent.getLeftWidth(), pageRoot.getWidth());
bodyLeft = Math.max(0, bodyLeft);
bodyLeft = Math.min(pageRoot.getWidth(), bodyLeft);
body.setPosition(
boxStyle.getLeftBorderWidth() + bodyLeft, headerHeight + boxStyle.getRightBorderWidth());
int bodyRight =
getDimensionValue(pageContent, pageContent.getRightWidth(), pageRoot.getWidth());
bodyRight = Math.max(0, bodyRight);
bodyRight = Math.min(pageRoot.getWidth() - bodyLeft, bodyRight);
body.setWidth(
pageRoot.getWidth()
- bodyLeft
- bodyRight
- boxStyle.getLeftBorderWidth()
- boxStyle.getRightBorderWidth());
body.setHeight(
pageRoot.getHeight()
- headerHeight
- footerHeight
- boxStyle.getTopBorderWidth()
- boxStyle.getBottomBorderWidth());
setBody(body);
if (overFlowType == IPDFRenderOption.CLIP_CONTENT
|| overFlowType == IPDFRenderOption.OUTPUT_TO_MULTIPLE_PAGES) {
pageRoot.setNeedClip(true);
body.setNeedClip(true);
} else {
pageRoot.setNeedClip(false);
}
// TODO add left area and right area;
}
