OZ++ Sample: ScrolledTree |
/******************************************************************************
*
* Copyright (c) 2015 Antillia.com 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.
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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*
*
* ScrolledTree.cpp
*
*****************************************************************************/
#include <oz++/Locale.h>
#include <oz++/DirectoryScanner.h>
#include <oz++/LinkedListT.h>
#include <oz++/StringBufferT.h>
#include <oz++/SmartPtrs.h>
#include <oz++/motif/ApplicationView.h>
#include <oz++/motif/PanedWindow.h>
#include <oz++/motif/ScrolledTree.h>
#include <oz++/motif/ScrolledListBox.h>
#include <oz++/motif/PushButton.h>
#include <oz++/motif/CompoundString.h>
#include <oz++/motif/Color.h>
namespace OZ {
class MainView :public ApplicationView {
private:
SmartPtr<PanedWindow> panedWindow;
SmartPtr<ScrolledTree> scrolledTree;
SmartPtr<ScrolledListBox> scrolledListBox;
CharString toFullpath(LinkedListT<CompoundString>& list)
{
int m = list.getLength();
StringBufferT<char> buffer;
for (int i = 0; i<m; i++) {
CompoundString* cs = list.getNth(i);
char* name = cs->unparse();
if (strcmp(name, "/") !=0) {
buffer.append(name);
buffer.append("/");
} else {
buffer.append(name);
}
}
return CharString(buffer.getBuffer());
}
void pushed(Action& action)
{
View* sender = (View*)action.getSender();
LinkedListT<CompoundString> list;
int m = scrolledTree->getTree() -> getParentNodes(sender, list);
CharString fullpath = toFullpath(list);
ListBox* listb= scrolledListBox -> getList();
listb -> deleteAllItems();
printf("%s\n", (const char*)fullpath);
DirectoryScanner scanner((const char*)fullpath);
DirEntryList dirList;
int n = scanner.scanFile("*", dirList);
printf("%d scanfiles \n", n);
if (n > 0) {
SmartPtrs<char*> names = new char*[n];
dirList.getNames((char**)names);
CompoundStringList csl(names, n);
listb -> addItemsUnselected(csl);
}
}
void buildTree(Tree* tree, View* root, const char* dir)
{
DirectoryScanner scanner(dir);
DirEntryList dirList;
int m = scanner.scanDir("*", dirList);
if (m > 0) {
for (int i = 0; i<m; i++) {
Args ar;
ar.reset();
const char* name = dirList.getName(i);
View* node = tree -> addPushButton(root, name, ar,
this, (Callback)&MainView::pushed);
//If name of node is usr, add the subfolders of usr to the node.
if (strcmp(name, "usr") == 0) {
char user[256];
sprintf(user, "%s/%s", dir, name);
buildTree(tree, node, user);
}
}
}
}
public:
MainView(Application& applet, const char* name, Args& args)
:ApplicationView(applet, name, args)
{
Color color(this);
Args ar;
ar.reset();
ar.set(XmNorientation, XmHORIZONTAL);
panedWindow = new PanedWindow(this, "", ar);
ar.reset();
ar.set(XmNwidth, 260);
scrolledTree = new ScrolledTree(panedWindow, "", ar);
ar.reset();
ar.set(XmNscrollingPolicy, XmAUTOMATIC);
ar.set(XmNscrollBarDisplayPolicy, XmAS_NEEDED);
ar.set(XmNwidth, 300);
ar.set(XmNvisibleItemCount, 30);
scrolledListBox = new ScrolledListBox(panedWindow, "", ar);
ar.reset();
Tree* tree = scrolledTree -> getTree();
tree -> set(XmNconnectStyle, XmTreeLadder);
const char* dir = "/";
ar.reset();
ar.set(XmNbackground, color.allocNamedColor("red"));
View* root = tree -> addLabel(NULL, "/", ar);
buildTree(tree, root, dir);
}
~MainView()
{
}
};
}
//
int main(int argc, char** argv)
{
try {
Locale locale;
const char* appclass = argv[0];
Application applet(appclass, argc, argv);
Args args;
args.set(XmNgeometry, "600x300");
MainView view(applet, argv[0], args);
view.realize();
applet.run();
} catch (Exception& ex) {
caught(ex);
}
return 0;
}