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00006 #include <fstream>
00007
00008 #include <Wt/WApplication>
00009 #include <Wt/WComboBox>
00010 #include <Wt/WContainerWidget>
00011 #include <Wt/WDatePicker>
00012 #include <Wt/WDateValidator>
00013 #include <Wt/WDialog>
00014 #include <Wt/WImage>
00015 #include <Wt/WIntValidator>
00016 #include <Wt/WLabel>
00017 #include <Wt/WLineEdit>
00018 #include <Wt/WMessageBox>
00019 #include <Wt/WPushButton>
00020 #include <Wt/WRegExpValidator>
00021 #include <Wt/WGridLayout>
00022 #include <Wt/WPopupMenu>
00023 #include <Wt/WSortFilterProxyModel>
00024 #include <Wt/WStandardItem>
00025 #include <Wt/WStandardItemModel>
00026 #include <Wt/WTreeView>
00027 #include <Wt/WText>
00028 #include <Wt/WVBoxLayout>
00029
00030 #include <Wt/Chart/WPieChart>
00031
00032 #include "CsvUtil.h"
00033 #include "FolderView.h"
00034
00035 using namespace Wt;
00036
00041
00049 class FileModel : public WStandardItemModel
00050 {
00051 public:
00054 FileModel(WObject *parent)
00055 : WStandardItemModel(parent) { }
00056
00059 virtual std::string mimeType() const {
00060 return FolderView::FileSelectionMimeType;
00061 }
00062
00064 static WString dateDisplayFormat;
00065
00067 static WString dateEditFormat;
00068 };
00069
00070 WString FileModel::dateDisplayFormat("MMM dd, yyyy");
00071 WString FileModel::dateEditFormat("dd-MM-yyyy");
00072
00076 class FileEditDialog : public WDialog
00077 {
00078 public:
00079 FileEditDialog(WAbstractItemModel *model, const WModelIndex& item)
00080 : WDialog("Edit..."),
00081 model_(model),
00082 item_(item)
00083 {
00084 int modelRow = item_.row();
00085
00086 resize(300, WLength::Auto);
00087
00088
00089
00090
00091
00092
00093 nameEdit_ = new WLineEdit(asString(model_->data(modelRow, 1)));
00094
00095
00096 typeEdit_ = new WComboBox();
00097 typeEdit_->addItem("Document");
00098 typeEdit_->addItem("Spreadsheet");
00099 typeEdit_->addItem("Presentation");
00100 typeEdit_->setCurrentIndex
00101 (typeEdit_->findText(asString(model_->data(modelRow, 2))));
00102
00103
00104 sizeEdit_ = new WLineEdit(asString(model_->data(modelRow, 3)));
00105 sizeEdit_->setValidator
00106 (new WIntValidator(0, std::numeric_limits<int>::max(), this));
00107
00108
00109 createdPicker_ = new WDatePicker();
00110 createdPicker_->lineEdit()->validator()->setMandatory(true);
00111 createdPicker_->setFormat(FileModel::dateEditFormat);
00112 createdPicker_->setDate(boost::any_cast<WDate>(model_->data(modelRow, 4)));
00113
00114
00115 modifiedPicker_ = new WDatePicker();
00116 modifiedPicker_->lineEdit()->validator()->setMandatory(true);
00117 modifiedPicker_->setFormat(FileModel::dateEditFormat);
00118 modifiedPicker_->setDate(boost::any_cast<WDate>(model_->data(modelRow, 5)));
00119
00120
00121
00122
00123 WGridLayout *layout = new WGridLayout();
00124
00125 WLabel *l;
00126 int row = 0;
00127
00128 layout->addWidget(l = new WLabel("Name:"), row, 0);
00129 layout->addWidget(nameEdit_, row, 1);
00130 l->setBuddy(nameEdit_);
00131 ++row;
00132
00133 layout->addWidget(l = new WLabel("Type:"), row, 0);
00134 layout->addWidget(typeEdit_, row, 1, AlignTop);
00135 l->setBuddy(typeEdit_);
00136 ++row;
00137
00138 layout->addWidget(l = new WLabel("Size:"), row, 0);
00139 layout->addWidget(sizeEdit_, row, 1);
00140 l->setBuddy(sizeEdit_);
00141 ++row;
00142
00143 layout->addWidget(l = new WLabel("Created:"), row, 0);
00144 layout->addWidget(createdPicker_->lineEdit(), row, 1);
00145 layout->addWidget(createdPicker_, row, 2);
00146 l->setBuddy(createdPicker_->lineEdit());
00147 ++row;
00148
00149 layout->addWidget(l = new WLabel("Modified:"), row, 0);
00150 layout->addWidget(modifiedPicker_->lineEdit(), row, 1);
00151 layout->addWidget(modifiedPicker_, row, 2);
00152 l->setBuddy(modifiedPicker_->lineEdit());
00153 ++row;
00154
00155 WPushButton *b;
00156 WContainerWidget *buttons = new WContainerWidget();
00157 buttons->addWidget(b = new WPushButton("Save"));
00158 b->clicked().connect(SLOT(this, WDialog::accept));
00159 contents()->enterPressed().connect(SLOT(this, WDialog::accept));
00160 buttons->addWidget(b = new WPushButton("Cancel"));
00161 b->clicked().connect(SLOT(this, WDialog::reject));
00162
00163
00164
00165
00166 switch (item.column()) {
00167 case 2:
00168 typeEdit_->setFocus(); break;
00169 case 3:
00170 sizeEdit_->setFocus(); break;
00171 case 4:
00172 createdPicker_->lineEdit()->setFocus(); break;
00173 case 5:
00174 modifiedPicker_->lineEdit()->setFocus(); break;
00175 default:
00176 nameEdit_->setFocus(); break;
00177 }
00178
00179 layout->addWidget(buttons, row, 0, 0, 3, AlignCenter);
00180 layout->setColumnStretch(1, 1);
00181
00182 contents()->setLayout(layout, AlignTop | AlignJustify);
00183
00184 finished().connect(SLOT(this, FileEditDialog::handleFinish));
00185
00186 show();
00187 }
00188
00189 private:
00190 WAbstractItemModel *model_;
00191 WModelIndex item_;
00192
00193 WLineEdit *nameEdit_, *sizeEdit_;
00194 WComboBox *typeEdit_;
00195 WDatePicker *createdPicker_, *modifiedPicker_;
00196
00197 void handleFinish(DialogCode result)
00198 {
00199 if (result == WDialog::Accepted) {
00200
00201
00202
00203
00204
00205
00206
00207
00208
00209
00210 WAbstractItemModel *m = model_;
00211 int modelRow = item_.row();
00212
00213 WAbstractProxyModel *proxyModel = dynamic_cast<WAbstractProxyModel *>(m);
00214 if (proxyModel) {
00215 m = proxyModel->sourceModel();
00216 modelRow = proxyModel->mapToSource(item_).row();
00217 }
00218
00219 m->setData(modelRow, 1, boost::any(nameEdit_->text()));
00220 m->setData(modelRow, 2, boost::any(typeEdit_->currentText()));
00221 m->setData(modelRow, 3, boost::any(boost::lexical_cast<int>
00222 (sizeEdit_->text().toUTF8())));
00223 m->setData(modelRow, 4, boost::any(createdPicker_->date()));
00224 m->setData(modelRow, 5, boost::any(modifiedPicker_->date()));
00225 }
00226
00227 delete this;
00228 }
00229
00230 };
00231
00235 class TreeViewDragDrop : public WApplication
00236 {
00237 public:
00240 TreeViewDragDrop(const WEnvironment &env)
00241 : WApplication(env) {
00242
00243
00244
00245
00246 folderModel_ = new WStandardItemModel(0, 1, this);
00247 populateFolders();
00248
00249 fileModel_ = new FileModel(this);
00250 populateFiles();
00251
00252 fileFilterModel_ = new WSortFilterProxyModel(this);
00253 fileFilterModel_->setSourceModel(fileModel_);
00254 fileFilterModel_->setDynamicSortFilter(true);
00255 fileFilterModel_->setFilterKeyColumn(0);
00256 fileFilterModel_->setFilterRole(UserRole);
00257
00258
00259
00260
00261 createUI();
00262 }
00263
00264 private:
00266 WStandardItemModel *folderModel_;
00267
00269 WStandardItemModel *fileModel_;
00270
00272 WSortFilterProxyModel *fileFilterModel_;
00273
00275 std::map<std::string, WString> folderNameMap_;
00276
00278 WTreeView *folderView_;
00279
00281 WTreeView *fileView_;
00282
00285 void createUI() {
00286 WContainerWidget *w = root();
00287 w->setStyleClass("maindiv");
00288
00289
00290
00291
00292 WGridLayout *layout = new WGridLayout();
00293 layout->addWidget(createTitle("Folders"), 0, 0);
00294 layout->addWidget(createTitle("Files"), 0, 1);
00295 layout->addWidget(folderView(), 1, 0);
00296
00297
00298 folderView_->select(folderModel_->index(0, 0, folderModel_->index(0, 0)));
00299
00300 WVBoxLayout *vbox = new WVBoxLayout();
00301 vbox->addWidget(fileView(), 1);
00302 vbox->addWidget(pieChart(), 0);
00303
00304 layout->addLayout(vbox, 1, 1);
00305
00306 layout->addWidget(aboutDisplay(), 2, 0, 1, 2, AlignTop);
00307
00308
00309
00310
00311 layout->setRowStretch(1, 1);
00312 layout->setColumnStretch(1, 1);
00313
00314 w->setLayout(layout);
00315 }
00316
00319 WText *createTitle(const WString& title) {
00320 WText *result = new WText(title);
00321 result->setInline(false);
00322 result->setStyleClass("title");
00323
00324 return result;
00325 }
00326
00329 WTreeView *folderView() {
00330 WTreeView *treeView = new FolderView();
00331
00332
00333
00334
00335
00336
00337
00338
00339 treeView->setAttributeValue
00340 ("oncontextmenu",
00341 "event.cancelBubble = true; event.returnValue = false; return false;");
00342 treeView->setModel(folderModel_);
00343 treeView->resize(200, WLength::Auto);
00344 treeView->setSelectionMode(SingleSelection);
00345 treeView->expandToDepth(1);
00346 treeView->selectionChanged().connect(SLOT(this,
00347 TreeViewDragDrop::folderChanged));
00348
00349 treeView->mouseWentDown().connect(SLOT(this, TreeViewDragDrop::showPopup));
00350
00351 folderView_ = treeView;
00352
00353 return treeView;
00354 }
00355
00358 WTreeView *fileView() {
00359 WTreeView *treeView = new WTreeView();
00360
00361
00362
00363 treeView->setRootIsDecorated(false);
00364 treeView->setAlternatingRowColors(true);
00365
00366 treeView->setModel(fileFilterModel_);
00367 treeView->setSelectionMode(ExtendedSelection);
00368 treeView->setDragEnabled(true);
00369
00370 treeView->setColumnWidth(0, 100);
00371 treeView->setColumnWidth(1, 150);
00372 treeView->setColumnWidth(2, 100);
00373 treeView->setColumnWidth(3, 60);
00374 treeView->setColumnWidth(4, 100);
00375 treeView->setColumnWidth(5, 100);
00376
00377 treeView->setColumnFormat(4, FileModel::dateDisplayFormat);
00378 treeView->setColumnFormat(5, FileModel::dateDisplayFormat);
00379
00380 treeView->setColumnAlignment(3, AlignRight);
00381 treeView->setColumnAlignment(4, AlignRight);
00382 treeView->setColumnAlignment(5, AlignRight);
00383
00384 treeView->sortByColumn(1, AscendingOrder);
00385
00386 treeView->doubleClicked().connect(SLOT(this, TreeViewDragDrop::editFile));
00387
00388 fileView_ = treeView;
00389
00390 return treeView;
00391 }
00392
00395 void editFile(const WModelIndex& item) {
00396 new FileEditDialog(fileView_->model(), item);
00397 }
00398
00401 WWidget *pieChart() {
00402 using namespace Chart;
00403
00404 WPieChart *chart = new WPieChart();
00405 chart->resize(450, 200);
00406 chart->setModel(fileFilterModel_);
00407 chart->setTitle("File sizes");
00408
00409 chart->setLabelsColumn(1);
00410 chart->setDataColumn(3);
00411
00412 chart->setPerspectiveEnabled(true, 0.2);
00413 chart->setDisplayLabels(Outside | TextLabel);
00414
00415 WContainerWidget *w = new WContainerWidget();
00416 w->setContentAlignment(AlignCenter);
00417 w->setStyleClass("about");
00418 w->addWidget(chart);
00419
00420 return w;
00421 }
00422
00425 WWidget *aboutDisplay() {
00426 WText *result = new WText(WString::tr("about-text"));
00427 result->setStyleClass("about");
00428 return result;
00429 }
00430
00434 void folderChanged() {
00435 if (folderView_->selectedIndexes().empty())
00436 return;
00437
00438 WModelIndex selected = *folderView_->selectedIndexes().begin();
00439 boost::any d = selected.data(UserRole);
00440 if (!d.empty()) {
00441 std::string folder = boost::any_cast<std::string>(d);
00442
00443
00444
00445
00446
00447 fileFilterModel_->setFilterRegExp(folder);
00448 }
00449 }
00450
00453 void showPopup(const WModelIndex& item, const WMouseEvent& event) {
00454 if (event.button() == WMouseEvent::RightButton) {
00455
00456
00457 folderView_->select(item);
00458
00459 WPopupMenu popup;
00460 popup.addItem("icons/folder_new.gif", "Create a New Folder");
00461 popup.addItem("Rename this Folder")->setCheckable(true);
00462 popup.addItem("Delete this Folder");
00463 popup.addSeparator();
00464 popup.addItem("Folder Details");
00465 popup.addSeparator();
00466 popup.addItem("Application Inventory");
00467 popup.addItem("Hardware Inventory");
00468 popup.addSeparator();
00469
00470 WPopupMenu *subMenu = new WPopupMenu();
00471 subMenu->addItem("Sub Item 1");
00472 subMenu->addItem("Sub Item 2");
00473 popup.addMenu("File Deployments", subMenu);
00474
00475
00476
00477
00478
00479
00480
00481
00482
00483 WPopupMenuItem *item = popup.exec(event);
00484
00485 if (item) {
00486
00487
00488
00489
00490 WMessageBox::show("Sorry.",
00491 "Action '" + item->text() + "' is not implemented.",
00492 Ok);
00493 }
00494 }
00495 }
00496
00504 void populateFiles() {
00505 fileModel_->invisibleRootItem()->setRowCount(0);
00506
00507 std::ifstream f("data/files.csv");
00508 readFromCsv(f, fileModel_);
00509
00510 for (int i = 0; i < fileModel_->rowCount(); ++i) {
00511 WStandardItem *item = fileModel_->item(i, 0);
00512 item->setFlags(item->flags() | ItemIsDragEnabled);
00513 item->setIcon("icons/file.gif");
00514
00515 std::string folderId = item->text().toUTF8();
00516
00517 item->setData(boost::any(folderId), UserRole);
00518 item->setText(folderNameMap_[folderId]);
00519
00520 convertToDate(fileModel_->item(i, 4));
00521 convertToDate(fileModel_->item(i, 5));
00522 }
00523 }
00524
00527 void convertToDate(WStandardItem *item) {
00528 WDate d = WDate::fromString(item->text(), FileModel::dateEditFormat);
00529 item->setData(boost::any(d), DisplayRole);
00530 }
00531
00534 void populateFolders() {
00535 WStandardItem *level1, *level2;
00536
00537 folderModel_->appendRow(level1 = createFolderItem("San Fransisco"));
00538 level1->appendRow(level2 = createFolderItem("Investors", "sf-investors"));
00539 level1->appendRow(level2 = createFolderItem("Fellows", "sf-fellows"));
00540
00541 folderModel_->appendRow(level1 = createFolderItem("Sophia Antipolis"));
00542 level1->appendRow(level2 = createFolderItem("R&D", "sa-r_d"));
00543 level1->appendRow(level2 = createFolderItem("Services", "sa-services"));
00544 level1->appendRow(level2 = createFolderItem("Support", "sa-support"));
00545 level1->appendRow(level2 = createFolderItem("Billing", "sa-billing"));
00546
00547 folderModel_->appendRow(level1 = createFolderItem("New York"));
00548 level1->appendRow(level2 = createFolderItem("Marketing", "ny-marketing"));
00549 level1->appendRow(level2 = createFolderItem("Sales", "ny-sales"));
00550 level1->appendRow(level2 = createFolderItem("Advisors", "ny-advisors"));
00551
00552 folderModel_->appendRow(level1 = createFolderItem
00553 (WString::fromUTF8("Frankfürt")));
00554 level1->appendRow(level2 = createFolderItem("Sales", "frank-sales"));
00555
00556 folderModel_->setHeaderData(0, Horizontal,
00557 boost::any(std::string("SandBox")));
00558 }
00559
00564 WStandardItem *createFolderItem(const WString& location,
00565 const std::string& folderId = std::string())
00566 {
00567 WStandardItem *result = new WStandardItem(location);
00568
00569 if (!folderId.empty()) {
00570 result->setData(boost::any(folderId));
00571 result->setFlags(result->flags() | ItemIsDropEnabled);
00572 folderNameMap_[folderId] = location;
00573 } else
00574 result->setFlags(result->flags().clear(ItemIsSelectable));
00575
00576 result->setIcon("icons/folder.gif");
00577
00578 return result;
00579 }
00580
00581 };
00582
00583 WApplication *createApplication(const WEnvironment& env)
00584 {
00585 WApplication *app = new TreeViewDragDrop(env);
00586 app->setTwoPhaseRenderingThreshold(0);
00587 app->setTitle("WTreeView Drag & Drop");
00588 app->useStyleSheet("styles.css");
00589 app->messageResourceBundle().use("about");
00590 app->refresh();
00591
00592 return app;
00593 }
00594
00595 int main(int argc, char **argv)
00596 {
00597 return WRun(argc, argv, &createApplication);
00598 }
00599