| OZ++ Class: FolderListView |
/******************************************************************************
*
* Copyright (c) 2017 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* FolderListView.h
*
*****************************************************************************/
//2017/10/15 Modified to use create method.
#include <oz++/motif/ScrolledWindow.h>
#include <oz++/motif/FlatButton.h>
#include <oz++/motif/PushButton.h>
#include <oz++/motif/FlatButtonGadget.h>
#include <oz++/motif/Pixelmap.h>
#include <oz++/motif/CompoundString.h>
#include <oz++/motif/Color.h>
#include <oz++/DirectoryScanner.h>
#include <oz++/MonetaryFormatter.h>
#include <oz++/FileAttributes.h>
#include <oz++/LocalTime.h>
#include <oz++/SmartArray.h>
#include <oz++/SmartPtr.h>
#include <oz++/SmartPtrs.h>
#include <oz++/motif/StrDef.h>
#include <oz++/motif/xpm/folder.xpm>
//const char* folder_xpm[]
namespace OZ {
class FolderListView :public ScrolledWindow {
private:
static const int ITEM_HEIGHT = 26;
static const int MARGIN = 2;
static const int NAME_WIDTH = 380;
static const int CHANGEDTIME_WIDTH = 170;
static const int SIZE_WIDTH = 170;
private:
SmartPtr<BulletinBoard> bboard;
SmartPtr<Pixelmap> folderPixmap;
int nameWidth;
int changedTimeWidth;
int sizeWidth;
SmartArray<PushButton*> files;
SmartArray<Gadget*> ctimes;
SmartArray<Gadget*> sizes;
int x;
int y;
int index;
int height;
bool fileSizeUnitKB;
public:
static const int DIR = 1;
static const int FILE = 2;
public:
FolderListView(View* parent, const char* name, Args& args)
:ScrolledWindow()
{
FolderListView::create(parent, name, args);
}
FolderListView()
:ScrolledWindow()
{
}
void create(View* parent, const char* name, Args& args)
{
ScrolledWindow::create(parent, name,
args.set(XmNscrollingPolicy, XmAUTOMATIC)
.set(XmNscrollBarDisplayPolicy, XmVARIABLE) );
nameWidth = NAME_WIDTH;
changedTimeWidth = CHANGEDTIME_WIDTH;
sizeWidth = SIZE_WIDTH;
if (args.has(XmNnameWidth)) {
int val = (int)args.get(XmNnameWidth);
if (val > 0) {
nameWidth = val;
}
}
if (args.has(XmNchangedTimeWidth)) {
int val = (int)args.get(XmNchangedTimeWidth);
if (val > 0) {
changedTimeWidth = val;
}
}
if (args.has(XmNsizeWidth)) {
int val = (int)args.get(XmNsizeWidth);
if (val > 0) {
sizeWidth = val;
}
}
fileSizeUnitKB = false;
if (args.has(XmNsizeUnitKB)) {
fileSizeUnitKB = (bool)args.get(XmNsizeUnitKB);
}
Color color(this);
Pixel white = color.whitePixel();
x = MARGIN;
y = MARGIN;
index = 0;
Args ar;
ar.reset();
ar.set(XmNmarginHeight, 0);
ar.set(XmNmarginWidth, 0);
bboard = new BulletinBoard(this, "", ar);
Display* display = parent->getDisplay();
Pixel bg;
bboard -> get(XmNbackground, (XtArgVal)&bg);
try {
folderPixmap = new Pixelmap(display, bg, folder_xpm);
} catch (Exception& ex) {
caught(ex);
}
}
public:
~FolderListView()
{
files.clear();
ctimes.clear();
sizes.clear();
}
public:
void redraw(bool flag)
{
if (flag) {
bboard -> manage();
} else {
bboard -> unmanage();
}
}
public:
void removeAllItems()
{
x = MARGIN;
y = MARGIN;
index = 0;
files.removeAllItems();
ctimes.removeAllItems();
sizes.removeAllItems();
}
public:
void addDirectories(const char* dir, char** items, int num)
{
if (items && num >0) {
addItems(dir, DIR, items, num, folderPixmap);
}
}
private:
void addItems(const char* dir, int type, char** items,
int num, Pixelmap* pixelmap)
{
char path[PATH_MAX];
for (int i = 0; i<num; i++) {
if (strcmp(items[i], "." ) == 0 ||
strcmp(items[i], "..") == 0) {
continue;
}
sprintf(path, "%s/%s", dir, items[i]);
try {
FileAttributes attr(path);
int fbwidth = nameWidth - MARGIN;
CompoundString label(items[i]);
Args ar;
ar.reset();
ar.set(XmNx, x);
ar.set(XmNy, y);
ar.set(XmNrecomputeSize, False);
ar.set(XmNalignment, XmALIGNMENT_BEGINNING);
ar.set(XmNlabelString, label);
ar.set(XmNuserData, type);
unsigned int pw = 0;
if (pixelmap) {
ar.set(XmNlabelPixmap, pixelmap->get());
ar.set(XmNlabelType, XmPIXMAP_AND_STRING);
unsigned int ph = 0;
pixelmap -> getGeometry(&pw, &ph);
pw += MARGIN*2;
}
fbwidth -= pw;
ar.set(XmNwidth, fbwidth);
ar.set(XmNhighlightThickness, 1);
ar.set(XmNshadowThickness, 0);
PushButton* fb = new PushButton(bboard, "folder", ar);
//FlatButtonGadget* fb = new FlatButtonGadget(bboard, "folder", ar);
files[index++] = fb;
static Dimension th = 0;
if (th == 0) {
th = fb -> height();
}
LocalTime lt(attr.changedTime());
CompoundString ctime(lt.toCharString());
ar.reset();
ar.set(XmNx, x + nameWidth);
ar.set(XmNy, y);
ar.set(XmNheight, th);
ar.set(XmNlabelString, ctime);
ar.set(XmNwidth, changedTimeWidth - MARGIN);
ctimes[index++] = new LabelGadget(bboard, "", ar);
char csize[128];
MonetaryFormatter mformatter;
if (fileSizeUnitKB) {
unsigned long fs = attr.getSize();
unsigned long kb = fs/1024L;
if ((fs % 1024L)) {
kb++;
}
CharString value = mformatter.toString(kb);
sprintf(csize, "%s KB", (const char*)value);
} else {
CharString value = mformatter.toString((long)attr.getSize());
sprintf(csize, "%s B", (const char*)value);
}
CompoundString size(csize);
ar.reset();
ar.set(XmNx, x + nameWidth + changedTimeWidth);
ar.set(XmNy, y);
ar.set(XmNheight, th);
ar.set(XmNalignment, XmALIGNMENT_END);
ar.set(XmNlabelString, size);
ar.set(XmNwidth, sizeWidth - MARGIN);
sizes[index++] = new LabelGadget(bboard, "", ar);
y += th; //height;
} catch (Exception& ex) {
ex.display();
}
}
}
public:
void listup(const char* dir, const char* pattern = "*")
{
redraw(false);
removeAllItems();
//const char* parent[] = {".."};
//addDirectories("", (char**)parent, 1);
DirectoryScanner dirScanner(dir);
DirEntryList dirList;
int m = dirScanner.scanDir(pattern, dirList);
printf("dir %s number=%d\n", dir, m);
if (m == 0) {
}
if (m > 0) {
SmartPtrs<char*> dirNames = new char*[m];
dirList.getNames((char**)dirNames);
addDirectories(dir, dirNames, m);
}
redraw(true);
}
public:
void addCallback(const char* name, CommonObject* object,
Callback callback, void* data)
{
for (int i = 0; i<index; i++) {
if (files[i]) {
files[i] -> addCallback(name, object, callback, data);
}
}
}
};
}