filepanelc.cpp

来自「爱可视605看PDF程式源代码, 基于APDF」· C++ 代码 · 共 57 行

#include "filepanelc.h"
#include "ndirview.h"
#include "panelswitcher.h"
#include <qlayout.h>
#include <stdio.h>


FilePanelC::FilePanelC(NDirSource *src, PanelSwitcher *ps, const char *name)
	: QObject(ps, name)
	, m_ps(ps) {

	setPanel(1, src->folder());
}

void FilePanelC::setPanel(int index, const QString &path) {
	QWidget *w= m_ps->panelAt(index);
	NFolderView *folderv= NULL;

	if(w == NULL) {
		CachingWidget *cw= new CachingWidget(m_ps->viewport());
		QLayout *l= new QVBoxLayout(cw);
		m_ps->addPanel(cw, index);

		NDirSource *fs= new NDirSource(this, "dirsrc");
		folderv= new NDirView(fs, cw, "folder view");
		cw->setFocusProxy(folderv);
		l->add(folderv);
		folderv->show();

		disconnect(folderv, SIGNAL(changeFolder(const QString&)), fs,   SLOT(setFolder(const QString&)));
		connect(   folderv, SIGNAL(changeFolder(const QString&)), this, SLOT(onChangeFolder(const QString&)));
	} else {
		folderv= (NFolderView*) w->child("folder view", "NFolderView");
	}
	if(folderv != NULL)
		folderv->source()->setFolder(path);
	m_ps->showPanel(index);
}

void FilePanelC::onChangeFolder(const QString &path) {
	NFolderView *curv= (NFolderView*) m_ps->visiblePanel()->child("folder view", "NFolderView");
	if(curv != NULL) {
		QString curp= curv->source()->folder();
	
		if(path == curp) {
			setPanel(m_ps->visibleIndex(), path);

		} else if(path.startsWith(curp)) {
			setPanel(m_ps->visibleIndex() + 1, path);
	
		} else if(curp.startsWith(path) ) {
			setPanel(QMAX(0, m_ps->visibleIndex() - 1), path);
	
		}
	}
}