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/* This file is part of the KOffice project
* Copyright (C) 2005 Thomas Zander <zander@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; version 2.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KWPageManager.h"
#include "KWPage.h"
#include "KoRect.h"
//#define DEBUG_PAGES
KWPageManager::KWPageManager() {
m_firstPage = 1;
m_onlyAllowAppend = false;
m_pageList.setAutoDelete(true);
m_defaultPageLayout = KoPageLayout::standardLayout();
}
int KWPageManager::pageNumber(const KoRect &frame) const {
int page=m_firstPage;
double startOfpage = 0.0;
QPtrListIterator<KWPage> pages(m_pageList);
while(pages.current() && startOfpage < frame.top()) {
startOfpage += pages.current()->height();
if(startOfpage >= frame.top())
break;
page++;
++pages;
}
// Disable strict checks. Testcase: F10, drag rectangle, move the mouse under the bottom of the last page.
// Instead of a bunch of warnings and making the insertion-rectangle disappear, we simply want to bound
// the mouse position to the last page.
if ( !pages.current() )
page = m_firstPage + m_pageList.count() - 1;
#if 0
if(!pages.current() || frame.right() > pages.current()->width() ||
frame.top() > pages.current()->height() + startOfpage) {
#ifdef DEBUG_PAGES
if(!pages.current())
kdDebug(31001) << " KWPageManager::pageNumber of "<< frame << " is too high, no page there\n";
else if(frame.right() > pages.current()->width())
kdDebug(31001) << " KWPageManager::pageNumber right of "<< frame << " is out of bounds\n";
else if(frame.top() > pages.current()->height() + startOfpage)
kdDebug(31001) << " KWPageManager::pageNumber "<< frame << " spans multiple pages\n";
kdDebug(31001) << kdBacktrace() << endl;
#endif
return -1; // not inside the page...
}
#endif
return page;
}
int KWPageManager::pageNumber(const KoPoint &point) const {
return pageNumber(KoRect(point, point));
}
int KWPageManager::pageNumber(const double ptY) const {
return pageNumber(KoRect(0, ptY, 0, 0));
}
int KWPageManager::pageNumber(const KoRect *rect) const {
KoRect tmp(*rect);
return pageNumber(tmp);
}
int KWPageManager::pageCount() const {
return m_pageList.count();
}
KWPage* KWPageManager::page(int pageNum) const {
QPtrListIterator<KWPage> pages(m_pageList);
while(pages.current()) {
if(pages.current()->pageNumber() == pageNum)
return pages.current();
++pages;
}
kdWarning(31001) << "KWPageManager::page(" << pageNum << ") failed; Requested page does not exist ["<< m_firstPage << "-"<< lastPageNumber() << "]"<< endl;
#ifdef DEBUG_PAGES
kdDebug(31001) << kdBacktrace();
#endif
return 0;
}
KWPage* KWPageManager::page(const KoRect &frame) const {
return page(pageNumber(frame));
}
KWPage* KWPageManager::page(const KoPoint &point) const {
return page(pageNumber(point));
}
KWPage* KWPageManager::page(double ptY) const {
return page(pageNumber(ptY));
}
KWPage* KWPageManager::page(const KoRect *rect) const {
KoRect tmp(*rect);
return page(tmp);
}
void KWPageManager::setStartPage(int startPage) {
int offset = startPage - m_firstPage;
bool switchSides = startPage % 2 != m_firstPage % 2;
for(QPtrListIterator<KWPage> pages(m_pageList); pages.current(); ++pages) {
KWPage *page = pages.current();
page->m_pageNum = page->m_pageNum + offset;
if(switchSides)
page->m_pageSide = page->m_pageSide == KWPage::Left ? KWPage::Right : KWPage::Left;
}
m_firstPage = startPage;
}
int KWPageManager::lastPageNumber() const {
return pageCount() + m_firstPage - 1;
}
KWPage* KWPageManager::insertPage(int index) {
if(m_onlyAllowAppend)
return appendPage();
KWPage *page = new KWPage(this, QMIN( QMAX(index, m_firstPage), lastPageNumber()+1 ));
QPtrListIterator<KWPage> pages(m_pageList);
while(pages.current() && pages.current()->pageNumber() < index)
++pages;
while(pages.current()) {
pages.current()->m_pageNum++;
++pages;
}
m_pageList.inSort(page);
return page;
}
KWPage* KWPageManager::appendPage() {
KWPage *page = new KWPage(this, lastPageNumber() + 1);
m_pageList.append(page);
return page;
}
const KoPageLayout KWPageManager::pageLayout(int pageNumber) const {
KoPageLayout lay = m_defaultPageLayout;
if(pageNumber >= m_firstPage && pageNumber <= lastPageNumber()) {
KWPage *page = this->page(pageNumber);
lay.ptHeight = page->height();
lay.ptWidth = page->width();
lay.ptTop = page->topMargin();
lay.ptLeft = page->leftMargin();
lay.ptBottom = page->bottomMargin();
lay.ptRight = page->rightMargin();
}
return lay;
}
double KWPageManager::topOfPage(int pageNum) const {
return pageOffset(pageNum, false);
}
double KWPageManager::bottomOfPage(int pageNum) const {
return pageOffset(pageNum, true);
}
double KWPageManager::pageOffset(int pageNum, bool bottom) const {
if(pageNum < m_firstPage)
return 0;
QPtrListIterator<KWPage> pages(m_pageList);
double offset = 0.0;
while(pages.current()) {
if(pages.current()->pageNumber() == pageNum) {
if(bottom)
offset += pages.current()->height();
break;
}
offset += pages.current()->height();
++pages;
}
return offset;
}
void KWPageManager::removePage(int pageNumber) {
removePage(page(pageNumber));
}
void KWPageManager::removePage(KWPage *page) {
if(!page)
return;
QPtrListIterator<KWPage> pages(m_pageList);
while(pages.current() && pages.current()->pageNumber() <= page->pageNumber())
++pages;
while(pages.current()) {
pages.current()->m_pageNum--;
++pages;
}
// TODO make the deletion of object page occur in a single shot
m_pageList.remove(page);
}
void KWPageManager::setDefaultPage(const KoPageLayout &layout) {
m_defaultPageLayout = layout;
// make sure we have 1 default, either pageBound or left/right bound.
if(m_defaultPageLayout.ptLeft < 0 || m_defaultPageLayout.ptRight < 0) {
m_defaultPageLayout.ptLeft = -1;
m_defaultPageLayout.ptRight = -1;
} else {
m_defaultPageLayout.ptPageEdge = -1;
m_defaultPageLayout.ptBindingSide = -1;
m_defaultPageLayout.ptLeft = QMAX(m_defaultPageLayout.ptLeft, 0);
m_defaultPageLayout.ptRight = QMAX(m_defaultPageLayout.ptRight, 0);
}
//kdDebug() << "setDefaultPage l:" << m_defaultPageLayout.ptLeft << ", r: " << m_defaultPageLayout.ptRight << ", a: " << m_defaultPageLayout.ptPageEdge << ", b: " << m_defaultPageLayout.ptBindingSide << endl;
}
KoPoint KWPageManager::clipToDocument(const KoPoint &point) {
int page=m_firstPage;
double startOfpage = 0.0;
QPtrListIterator<KWPage> pages(m_pageList);
while(pages.current()) {
startOfpage += pages.current()->height();
if(startOfpage >= point.y())
break;
page++;
++pages;
}
page = QMIN(page, lastPageNumber());
KoRect rect = this->page(page)->rect();
if(rect.contains(point))
return point;
KoPoint rc(point);
if(rect.top() > rc.y())
rc.setY(rect.top());
else if(rect.bottom() < rc.y())
rc.setY(rect.bottom());
if(rect.left() > rc.x())
rc.setX(rect.left());
else if(rect.right() < rc.x())
rc.setX(rect.right());
return rc;
}
// **** PageList ****
int KWPageManager::PageList::compareItems(QPtrCollection::Item a, QPtrCollection::Item b)
{
int pa = ((KWPage *)a)->pageNumber();
int pb = ((KWPage *)b)->pageNumber();
if (pa == pb) return 0;
if (pa < pb) return -1;
return 1;
}
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