Expand webrequest sample
This commit is contained in:
Tobias Taschner
parent
a4279752f8
commit
3971a9ef7f
@ -29,6 +29,14 @@
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class WebRequestFrame : public wxFrame
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{
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public:
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enum Pages
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{
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Page_Image,
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Page_Text,
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Page_Download,
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Page_Advanced
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};
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WebRequestFrame(const wxString& title):
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wxFrame(NULL, wxID_ANY, title)
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{
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@ -39,72 +47,77 @@ public:
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// If menus are not available add a button to access the about box
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wxSizer* mainSizer = new wxBoxSizer(wxVERTICAL);
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wxNotebook* notebook = new wxNotebook(this, wxID_ANY);
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// Get image page
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wxPanel* getPanel = new wxPanel(notebook);
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wxSizer* getSizer = new wxBoxSizer(wxVERTICAL);
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getSizer->Add(new wxStaticText(getPanel, wxID_ANY, "Image URL to load:"),
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mainSizer->Add(new wxStaticText(this, wxID_ANY, "Request URL:"),
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wxSizerFlags().Border());
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m_getURLTextCtrl = new wxTextCtrl(getPanel, wxID_ANY,
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m_urlTextCtrl = new wxTextCtrl(this, wxID_ANY,
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"https://www.wxwidgets.org/downloads/logos/blocks.png");
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getSizer->Add(m_getURLTextCtrl,
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mainSizer->Add(m_urlTextCtrl,
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wxSizerFlags().Expand().Border(wxLEFT | wxRIGHT));
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wxButton* getLoadButton = new wxButton(getPanel, wxID_ANY, "&Load");
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getLoadButton->Bind(wxEVT_BUTTON, &WebRequestFrame::OnGetLoadButton, this);
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getSizer->Add(getLoadButton, wxSizerFlags().Border());
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m_notebook = new wxNotebook(this, wxID_ANY);
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m_notebook->Bind(wxEVT_NOTEBOOK_PAGE_CHANGED, &WebRequestFrame::OnNotebookPageChanged, this);
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m_getImageBox =
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new wxStaticBoxSizer(wxVERTICAL, getPanel, "Image");
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m_getStaticBitmap = new wxStaticBitmap(m_getImageBox->GetStaticBox(),
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// Image page
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wxPanel* imagePanel = new wxPanel(m_notebook);
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wxSizer* imageSizer = new wxBoxSizer(wxVERTICAL);
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m_imageStaticBitmap = new wxStaticBitmap(imagePanel,
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wxID_ANY, wxArtProvider::GetBitmap(wxART_MISSING_IMAGE));
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m_getImageBox->Add(m_getStaticBitmap, wxSizerFlags(1).Expand());
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getSizer->Add(m_getImageBox, wxSizerFlags(1).Expand().Border());
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imageSizer->Add(m_imageStaticBitmap, wxSizerFlags(1).Expand());
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getPanel->SetSizer(getSizer);
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notebook->AddPage(getPanel, "GET Image", true);
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imagePanel->SetSizer(imageSizer);
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m_notebook->AddPage(imagePanel, "Image", true);
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// POST Text page
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wxPanel* postPanel = new wxPanel(notebook);
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wxSizer* postSizer = new wxBoxSizer(wxVERTICAL);
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postSizer->Add(new wxStaticText(postPanel, wxID_ANY, "Request URL:"),
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wxSizerFlags().Border());
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m_postURLTextCtrl = new wxTextCtrl(postPanel, wxID_ANY,
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"https://api.github.com/");
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postSizer->Add(m_postURLTextCtrl,
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wxSizerFlags().Expand().Border(wxLEFT | wxRIGHT));
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// Text page
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wxPanel* textPanel = new wxPanel(m_notebook);
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wxSizer* textSizer = new wxBoxSizer(wxVERTICAL);
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postSizer->Add(new wxStaticText(postPanel, wxID_ANY, "Content type:"),
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wxSizerFlags().Border());
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m_postContentTypeTextCtrl = new wxTextCtrl(postPanel, wxID_ANY,
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"application/json");
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postSizer->Add(m_postContentTypeTextCtrl,
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wxSizerFlags().Expand().Border(wxLEFT | wxRIGHT));
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m_postCheckBox = new wxCheckBox(textPanel, wxID_ANY, "Post request body");
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textSizer->Add(m_postCheckBox, wxSizerFlags().Border());
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m_postCheckBox->Bind(wxEVT_CHECKBOX, &WebRequestFrame::OnPostCheckBox, this);
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postSizer->Add(new wxStaticText(postPanel, wxID_ANY, "Request body:"),
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wxSizerFlags().Border());
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m_postRequestTextCtrl = new wxTextCtrl(postPanel, wxID_ANY, "",
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m_postRequestTextCtrl = new wxTextCtrl(textPanel, wxID_ANY, "",
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wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE);
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postSizer->Add(m_postRequestTextCtrl,
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textSizer->Add(m_postRequestTextCtrl,
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wxSizerFlags(1).Expand().Border(wxLEFT | wxRIGHT));
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wxButton* postSendButton = new wxButton(postPanel, wxID_ANY, "&Send");
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postSendButton->Bind(wxEVT_BUTTON, &WebRequestFrame::OnPostSendButton, this);
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postSizer->Add(postSendButton, wxSizerFlags().Border());
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postSizer->Add(new wxStaticText(postPanel, wxID_ANY, "Response body:"),
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textSizer->Add(new wxStaticText(textPanel, wxID_ANY, "Request body content type:"),
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wxSizerFlags().Border());
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m_postResponseTextCtrl = new wxTextCtrl(postPanel, wxID_ANY, "",
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m_postContentTypeTextCtrl = new wxTextCtrl(textPanel, wxID_ANY,
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"application/json");
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textSizer->Add(m_postContentTypeTextCtrl,
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wxSizerFlags().Expand().Border(wxLEFT | wxRIGHT));
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textSizer->Add(new wxStaticText(textPanel, wxID_ANY, "Response body:"),
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wxSizerFlags().Border());
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m_textResponseTextCtrl = new wxTextCtrl(textPanel, wxID_ANY, "",
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wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxTE_READONLY);
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m_postResponseTextCtrl->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
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postSizer->Add(m_postResponseTextCtrl,
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m_textResponseTextCtrl->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
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textSizer->Add(m_textResponseTextCtrl,
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wxSizerFlags(1).Expand().Border(wxLEFT | wxRIGHT | wxBOTTOM));
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postPanel->SetSizer(postSizer);
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notebook->AddPage(postPanel, "POST Text");
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textPanel->SetSizer(textSizer);
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m_notebook->AddPage(textPanel, "Text");
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mainSizer->Add(notebook, wxSizerFlags(1).Expand().Border());
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// Download page
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wxPanel* downloadPanel = new wxPanel(m_notebook);
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m_notebook->AddPage(downloadPanel, "Download");
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// Advanced page
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wxPanel* advancedPanel = new wxPanel(m_notebook);
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m_notebook->AddPage(advancedPanel, "Advanced");
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mainSizer->Add(m_notebook, wxSizerFlags(1).Expand().Border());
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m_startButton = new wxButton(this, wxID_ANY, "&Start Request");
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m_startButton->Bind(wxEVT_BUTTON, &WebRequestFrame::OnStartButton, this);
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mainSizer->Add(m_startButton, wxSizerFlags().Border());
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wxCommandEvent evt;
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OnPostCheckBox(evt);
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SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
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SetSizer(mainSizer);
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@ -114,50 +127,115 @@ public:
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CreateStatusBar();
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}
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void OnGetLoadButton(wxCommandEvent& WXUNUSED(evt))
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void OnStartButton(wxCommandEvent& WXUNUSED(evt))
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{
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GetStatusBar()->SetStatusText("Requesting image...");
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GetStatusBar()->SetStatusText("Started request...");
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// Create request for the specified URL from the default session
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wxObjectDataPtr<wxWebRequest> request(wxWebSession::GetDefault().CreateRequest(
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m_getURLTextCtrl->GetValue()));
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m_urlTextCtrl->GetValue()));
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// Bind events for failure and success
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request->Bind(wxEVT_WEBREQUEST_READY, &WebRequestFrame::OnGetWebRequestReady, this);
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// Bind event for failure
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request->Bind(wxEVT_WEBREQUEST_FAILED, &WebRequestFrame::OnWebRequestFailed, this);
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// Prepare request based on selected action
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switch (m_notebook->GetSelection())
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{
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case Page_Image:
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// Bind completion event to response as image
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request->Bind(wxEVT_WEBREQUEST_READY, &WebRequestFrame::OnImageRequestReady, this);
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break;
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case Page_Text:
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if (m_postCheckBox->IsChecked())
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{
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request->SetData(m_postRequestTextCtrl->GetValue(),
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m_postContentTypeTextCtrl->GetValue());
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}
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request->Bind(wxEVT_WEBREQUEST_READY, &WebRequestFrame::OnTextRequestReady, this);
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break;
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case Page_Download:
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// TODO: implement
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break;
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case Page_Advanced:
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// TODO: implement
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break;
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}
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m_startButton->Disable();
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// Start the request (events will be called on success or failure)
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request->Start();
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}
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void OnGetWebRequestReady(wxWebRequestEvent& evt)
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void OnImageRequestReady(wxWebRequestEvent& evt)
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{
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wxImage img(*evt.GetResponse()->GetStream());
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m_getStaticBitmap->SetBitmap(img);
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m_getImageBox->Layout();
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m_imageStaticBitmap->SetBitmap(img);
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m_notebook->GetPage(Page_Image)->Layout();
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GetStatusBar()->SetStatusText(wxString::Format("Loaded %lld bytes image data", evt.GetResponse()->GetContentLength()));
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m_startButton->Enable();
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}
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void OnTextRequestReady(wxWebRequestEvent& evt)
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{
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m_textResponseTextCtrl->SetValue(evt.GetResponse()->AsString());
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GetStatusBar()->SetStatusText(wxString::Format("Loaded %lld bytes text data (Status: %d %s)",
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evt.GetResponse()->GetContentLength(),
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evt.GetResponse()->GetStatus(),
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evt.GetResponse()->GetStatusText()));
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m_startButton->Enable();
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}
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void OnWebRequestFailed(wxWebRequestEvent& evt)
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{
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wxLogError("Web Request failed: %s", evt.GetErrorDescription());
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GetStatusBar()->SetStatusText("");
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m_startButton->Enable();
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}
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void OnPostSendButton(wxCommandEvent& WXUNUSED(evt))
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void OnPostCheckBox(wxCommandEvent& WXUNUSED(evt))
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{
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GetStatusBar()->SetStatusText("Requesting text...");
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m_postContentTypeTextCtrl->Enable(m_postCheckBox->IsChecked());
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m_postRequestTextCtrl->Enable(m_postCheckBox->IsChecked());
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wxColour textBg = wxSystemSettings::GetColour(
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(m_postCheckBox->IsChecked()) ? wxSYS_COLOUR_WINDOW : wxSYS_COLOUR_BTNFACE);
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m_postContentTypeTextCtrl->SetBackgroundColour(textBg);
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m_postRequestTextCtrl->SetBackgroundColour(textBg);
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}
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void OnNotebookPageChanged(wxBookCtrlEvent& event)
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{
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wxString defaultURL;
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switch (event.GetSelection())
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{
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case Page_Image:
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defaultURL = "https://www.wxwidgets.org/downloads/logos/blocks.png";
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break;
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case Page_Text:
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defaultURL = "https://api.github.com";
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break;
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case Page_Download:
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defaultURL = "https://www.wxwidgets.com/download.zip";
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break;
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case Page_Advanced:
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defaultURL = "https://www.wxwidgets.com/adv.zip";
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break;
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}
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m_urlTextCtrl->SetValue(defaultURL);
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}
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private:
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wxTextCtrl* m_getURLTextCtrl;
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wxStaticBoxSizer* m_getImageBox;
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wxStaticBitmap* m_getStaticBitmap;
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wxNotebook* m_notebook;
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wxTextCtrl* m_urlTextCtrl;
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wxButton* m_startButton;
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wxStaticBitmap* m_imageStaticBitmap;
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wxTextCtrl* m_postURLTextCtrl;
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wxCheckBox* m_postCheckBox;
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wxTextCtrl* m_postContentTypeTextCtrl;
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wxTextCtrl* m_postRequestTextCtrl;
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wxTextCtrl* m_postResponseTextCtrl;
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wxTextCtrl* m_textResponseTextCtrl;
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};
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class WebRequestApp : public wxApp
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