File: workspacetab.cpp

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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright            : (C) 2008 by Eran Ifrah
// file name            : workspacetab.cpp
//
// -------------------------------------------------------------------------
// A
//              _____           _      _     _ _
//             /  __ \         | |    | |   (_) |
//             | /  \/ ___   __| | ___| |    _| |_ ___
//             | |    / _ \ / _  |/ _ \ |   | | __/ _ )
//             | \__/\ (_) | (_| |  __/ |___| | ||  __/
//              \____/\___/ \__,_|\___\_____/_|\__\___|
//
//                                                  F i l e
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "DefaultWorkspacePage.h"
#include "clFileOrFolderDropTarget.h"
#include "clTreeCtrlPanel.h"
#include "clWorkspaceView.h"
#include "configuration_manager_dlg.h"
#include "editor_config.h"
#include "event_notifier.h"
#include "fileview.h"
#include "frame.h"
#include "globals.h"
#include "macros.h"
#include "manager.h"
#include "plugin.h"
#include "pluginmanager.h"
#include "project_settings_dlg.h"
#include "workspace_pane.h"
#include "workspacetab.h"
#include <algorithm>
#include <wx/button.h>
#include <wx/combobox.h>
#include <wx/sizer.h>
#include <wx/xrc/xmlres.h>

WorkspaceTab::WorkspaceTab(wxWindow* parent, const wxString& caption)
    : WorkspaceTabBase(parent)
    , m_caption(caption)
    , m_isLinkedToEditor(true)
    , m_dlg(NULL)
    , m_view(NULL)
{
    long link = EditorConfigST::Get()->GetInteger(wxT("LinkWorkspaceViewToEditor"), 1);
    m_isLinkedToEditor = link ? true : false;

    CreateGUIControls();
    ConnectEvents();
    m_themeHelper = NULL; // new ThemeHandlerHelper(this);
    SetDropTarget(new clFileOrFolderDropTarget(this));
    Bind(wxEVT_DND_FOLDER_DROPPED, &WorkspaceTab::OnFolderDropped, this);
    EventNotifier::Get()->Bind(wxEVT_WORKSPACE_BUILD_CONFIG_CHANGED, &WorkspaceTab::OnConfigChanged, this);
}

WorkspaceTab::~WorkspaceTab()
{
    wxDELETE(m_themeHelper);
    wxTheApp->Disconnect(XRCID("show_in_workspace"), wxEVT_COMMAND_MENU_SELECTED,
                         wxCommandEventHandler(WorkspaceTab::OnShowFile), NULL, this);
    wxTheApp->Disconnect(XRCID("show_in_workspace"), wxEVT_UPDATE_UI,
                         wxUpdateUIEventHandler(WorkspaceTab::OnShowFileUI), NULL, this);

    EventNotifier::Get()->Disconnect(wxEVT_WORKSPACE_LOADED, wxCommandEventHandler(WorkspaceTab::OnWorkspaceLoaded),
                                     NULL, this);
    EventNotifier::Get()->Disconnect(wxEVT_WORKSPACE_CLOSED, wxCommandEventHandler(WorkspaceTab::OnWorkspaceClosed),
                                     NULL, this);
    EventNotifier::Get()->Disconnect(wxEVT_PROJ_ADDED, clCommandEventHandler(WorkspaceTab::OnProjectAdded), NULL, this);
    EventNotifier::Get()->Disconnect(wxEVT_PROJ_REMOVED, clCommandEventHandler(WorkspaceTab::OnProjectRemoved), NULL,
                                     this);
    EventNotifier::Get()->Disconnect(wxEVT_ACTIVE_EDITOR_CHANGED,
                                     wxCommandEventHandler(WorkspaceTab::OnActiveEditorChanged), NULL, this);
    EventNotifier::Get()->Disconnect(wxEVT_EDITOR_CLOSING, wxCommandEventHandler(WorkspaceTab::OnEditorClosing), NULL,
                                     this);
    EventNotifier::Get()->Disconnect(wxEVT_WORKSPACE_CONFIG_CHANGED,
                                     wxCommandEventHandler(WorkspaceTab::OnWorkspaceConfig), NULL, this);
    EventNotifier::Get()->Disconnect(wxEVT_ACTIVE_PROJECT_CHANGED,
                                     clProjectSettingsEventHandler(WorkspaceTab::OnActiveProjectChanged), NULL, this);

    wxTheApp->Disconnect(XRCID("configuration_manager"), wxEVT_COMMAND_MENU_SELECTED,
                         wxCommandEventHandler(WorkspaceTab::OnConfigurationManager), NULL, this);
    wxTheApp->Disconnect(XRCID("configuration_manager"), wxEVT_UPDATE_UI,
                         wxUpdateUIEventHandler(WorkspaceTab::OnProjectSettingsUI), NULL, this);
    EventNotifier::Get()->Unbind(wxEVT_WORKSPACE_BUILD_CONFIG_CHANGED, &WorkspaceTab::OnConfigChanged, this);
}

void WorkspaceTab::CreateGUIControls()
{
    //// Construct the tree
    int index = m_simpleBook->FindPage(m_panelCxx);
    if(index != wxNOT_FOUND) {
        // set the C++ workspace view name to fit its workspace type
        m_simpleBook->SetPageText(index, clCxxWorkspaceST::Get()->GetWorkspaceType());
    }
    m_view = new clWorkspaceView(m_simpleBook);
    m_view->AddPage(new DefaultWorkspacePage(m_simpleBook), _("Default"));
    m_view->SelectPage(_("Default"));
    m_view->SetDefaultPage(_("Default"));
}

void WorkspaceTab::FreezeThaw(bool freeze /*=true*/)
{
    // If the selected file is linked to which editor is displayed, the selection changes rapidly when a workspace is
    // loaded
    // Prevent this by temporarily unlinking, then relink after
    static bool frozen = false;
    static bool was_linked;

    wxCHECK_RET(!(freeze && frozen), wxT("Trying to re-freeze a frozen workspace tab"));
    wxCHECK_RET(!(!freeze && !frozen), wxT("Trying to thaw a warm workspace tab"));
    frozen = freeze;

    if(freeze) {
        was_linked = m_isLinkedToEditor;
        m_isLinkedToEditor = false;
    } else {
        m_isLinkedToEditor = was_linked;
        // I expected we'd need to call OnActiveEditorChanged() here, but it doesn't seem necessary (atm)
    }
}

void WorkspaceTab::ConnectEvents()
{
    wxTheApp->Connect(XRCID("show_in_workspace"), wxEVT_COMMAND_MENU_SELECTED,
                      wxCommandEventHandler(WorkspaceTab::OnShowFile), NULL, this);
    wxTheApp->Connect(XRCID("show_in_workspace"), wxEVT_UPDATE_UI, wxUpdateUIEventHandler(WorkspaceTab::OnShowFileUI),
                      NULL, this);
    EventNotifier::Get()->Connect(wxEVT_WORKSPACE_LOADED, wxCommandEventHandler(WorkspaceTab::OnWorkspaceLoaded), NULL,
                                  this);
    EventNotifier::Get()->Connect(wxEVT_WORKSPACE_CLOSED, wxCommandEventHandler(WorkspaceTab::OnWorkspaceClosed), NULL,
                                  this);
    EventNotifier::Get()->Connect(wxEVT_PROJ_ADDED, clCommandEventHandler(WorkspaceTab::OnProjectAdded), NULL, this);
    EventNotifier::Get()->Connect(wxEVT_PROJ_REMOVED, clCommandEventHandler(WorkspaceTab::OnProjectRemoved), NULL,
                                  this);
    EventNotifier::Get()->Connect(wxEVT_ACTIVE_EDITOR_CHANGED,
                                  wxCommandEventHandler(WorkspaceTab::OnActiveEditorChanged), NULL, this);
    EventNotifier::Get()->Connect(wxEVT_EDITOR_CLOSING, wxCommandEventHandler(WorkspaceTab::OnEditorClosing), NULL,
                                  this);
    EventNotifier::Get()->Connect(wxEVT_WORKSPACE_CONFIG_CHANGED,
                                  wxCommandEventHandler(WorkspaceTab::OnWorkspaceConfig), NULL, this);
    EventNotifier::Get()->Connect(wxEVT_ACTIVE_PROJECT_CHANGED,
                                  clProjectSettingsEventHandler(WorkspaceTab::OnActiveProjectChanged), NULL, this);
    wxTheApp->Connect(XRCID("configuration_manager"), wxEVT_COMMAND_MENU_SELECTED,
                      wxCommandEventHandler(WorkspaceTab::OnConfigurationManager), NULL, this);
    wxTheApp->Connect(XRCID("configuration_manager"), wxEVT_UPDATE_UI,
                      wxUpdateUIEventHandler(WorkspaceTab::OnProjectSettingsUI), NULL, this);
}

void WorkspaceTab::OnLinkEditor(wxCommandEvent& e)
{
    m_isLinkedToEditor = !m_isLinkedToEditor;
    EditorConfigST::Get()->SetInteger(wxT("LinkWorkspaceViewToEditor"), m_isLinkedToEditor ? 1 : 0);
    if(m_isLinkedToEditor) { OnActiveEditorChanged(e); }
}

void WorkspaceTab::OnCollapseAll(wxCommandEvent& e)
{
    wxUnusedVar(e);
    if(!m_fileView->GetRootItem().IsOk()) return;
    m_fileView->Freeze();
    m_fileView->CollapseAll();
    m_fileView->Expand(m_fileView->GetRootItem());
    // count will probably be 0 below, so ensure we can at least see the root item
    m_fileView->EnsureVisible(m_fileView->GetRootItem());
    m_fileView->Thaw();

    wxArrayTreeItemIds arr;
    size_t count = m_fileView->GetSelections(arr);

    if(count == 1) {
        wxTreeItemId sel = arr.Item(0);
        if(sel.IsOk()) { m_fileView->EnsureVisible(sel); }
    }
}

void WorkspaceTab::OnCollapseAllUI(wxUpdateUIEvent& e) { e.Enable(ManagerST::Get()->IsWorkspaceOpen()); }

void WorkspaceTab::OnGoHome(wxCommandEvent& e)
{
    wxUnusedVar(e);
    wxString activeProject = ManagerST::Get()->GetActiveProjectName();
    if(activeProject.IsEmpty()) return;
    m_fileView->ExpandToPath(activeProject, wxFileName());

    wxArrayTreeItemIds arr;
    size_t count = m_fileView->GetSelections(arr);

    if(count == 1) {
        wxTreeItemId sel = arr.Item(0);
        if(sel.IsOk() && m_fileView->ItemHasChildren(sel)) m_fileView->Expand(sel);
    }
    ManagerST::Get()->ShowWorkspacePane(m_caption);
}

void WorkspaceTab::OnGoHomeUI(wxUpdateUIEvent& e) { e.Enable(!ManagerST::Get()->GetActiveProjectName().IsEmpty()); }

void WorkspaceTab::OnProjectSettings(wxCommandEvent& e)
{
    wxUnusedVar(e);
    ProjectPtr proj = m_fileView->GetSelectedProject();
    OpenProjectSettings(proj ? proj->GetName() : "");
}

void WorkspaceTab::OnProjectSettingsUI(wxUpdateUIEvent& e)
{
    e.Enable(!ManagerST::Get()->GetActiveProjectName().IsEmpty());
}

void WorkspaceTab::OnShowFile(wxCommandEvent& e)
{
    LEditor* editor = clMainFrame::Get()->GetMainBook()->GetActiveEditor();
    if(editor && !editor->GetProject().IsEmpty()) {
        m_fileView->ExpandToPath(editor->GetProject(), editor->GetFileName());
        ManagerST::Get()->ShowWorkspacePane(m_caption);
    }
    e.Skip();
}

void WorkspaceTab::OnShowFileUI(wxUpdateUIEvent& e)
{
    LEditor* editor = clMainFrame::Get()->GetMainBook()->GetActiveEditor();
    e.Enable(editor && !editor->GetProject().IsEmpty());
}

void WorkspaceTab::OnActiveEditorChanged(wxCommandEvent& e)
{
    e.Skip();
    if(m_isLinkedToEditor) {
        MainBook* mainbook = clMainFrame::Get()->GetMainBook();
        LEditor* editor = mainbook->GetActiveEditor();
        if(editor && !editor->GetProject().IsEmpty()) {
            m_fileView->ExpandToPath(editor->GetProject(), editor->GetFileName());
        }

        Notebook* book = clMainFrame::Get()->GetWorkspacePane()->GetNotebook();
        if(book) {
            size_t index = book->GetPageIndex("wxCrafter");
            if(index == (size_t)book->GetSelection()) {
                book->SetSelection(0); // The most likely to be wanted
            }
        }
    }
}

void WorkspaceTab::OnWorkspaceLoaded(wxCommandEvent& e)
{
    e.Skip();
    if(ManagerST::Get()->IsWorkspaceOpen()) {
        m_configChangeCtrl->Enable(true);
        DoWorkspaceConfig();
        DoUpdateChoiceWithProjects();

        // Tree construction
        m_fileView->BuildTree();
        CallAfter(&WorkspaceTab::DoGoHome);
        SendCmdEvent(wxEVT_FILE_VIEW_INIT_DONE);
    }
}

void WorkspaceTab::OnEditorClosing(wxCommandEvent& e) { e.Skip(); }

void WorkspaceTab::OnWorkspaceClosed(wxCommandEvent& e)
{
    e.Skip();
    m_configChangeCtrl->Clear();
    m_configChangeCtrl->Enable(false);
    m_fileView->DeleteAllItems();
    SendCmdEvent(wxEVT_FILE_VIEW_INIT_DONE);
}

void WorkspaceTab::OnProjectAdded(clCommandEvent& e)
{
    e.Skip();
    const wxString& projName = e.GetString();
    m_fileView->BuildTree();
    if(!projName.IsEmpty()) { m_fileView->ExpandToPath(projName, wxFileName()); }
    DoUpdateChoiceWithProjects();
    SendCmdEvent(wxEVT_FILE_VIEW_REFRESHED);
}

void WorkspaceTab::OnProjectRemoved(clCommandEvent& e)
{
    e.Skip();
    m_fileView->BuildTree();
    CallAfter(&WorkspaceTab::DoGoHome);
    DoUpdateChoiceWithProjects();
    SendCmdEvent(wxEVT_FILE_VIEW_REFRESHED);
}

struct wxStringSorter {
    bool operator()(WorkspaceConfigurationPtr one, WorkspaceConfigurationPtr two) const
    {
        return one->GetName().Lower().CmpNoCase(two->GetName().Lower()) < 0;
    }
};

void WorkspaceTab::DoWorkspaceConfig()
{
    // Update the workspace configuration
    BuildMatrixPtr matrix = clCxxWorkspaceST::Get()->GetBuildMatrix();
    std::list<WorkspaceConfigurationPtr> confs = matrix->GetConfigurations();

    confs.sort(wxStringSorter());
    wxArrayString configurations;
    std::for_each(confs.begin(), confs.end(),
                  [&](WorkspaceConfigurationPtr conf) { configurations.push_back(conf->GetName()); });

    m_configChangeCtrl->SetConfigurations(configurations);
    wxString activeConfig = configurations.IsEmpty() ? "" : matrix->GetSelectedConfigurationName();
    m_configChangeCtrl->SetActiveConfiguration(activeConfig);

    clMainFrame::Get()->SelectBestEnvSet();
}

void WorkspaceTab::OnWorkspaceConfig(wxCommandEvent& e)
{
    e.Skip();
    DoWorkspaceConfig();
}

void WorkspaceTab::OnConfigurationManager(wxCommandEvent& e)
{
    wxUnusedVar(e);
    ConfigurationManagerDlg dlg(EventNotifier::Get()->TopFrame());
    dlg.ShowModal();

    BuildMatrixPtr matrix = ManagerST::Get()->GetWorkspaceBuildMatrix();
    m_configChangeCtrl->SetActiveConfiguration(matrix->GetSelectedConfigurationName());
}

void WorkspaceTab::OnLinkEditorUI(wxUpdateUIEvent& event)
{
    event.Enable(ManagerST::Get()->IsWorkspaceOpen());
    event.Check(m_isLinkedToEditor);
}

void WorkspaceTab::DoUpdateChoiceWithProjects()
{
    if(clCxxWorkspaceST::Get()->IsOpen()) {
        m_configChangeCtrl->SetActiveProject(ManagerST::Get()->GetActiveProjectName());
    }
}

void WorkspaceTab::OnWorkspaceOpenUI(wxUpdateUIEvent& event) { event.Enable(ManagerST::Get()->IsWorkspaceOpen()); }

void WorkspaceTab::OpenProjectSettings(const wxString& project)
{
    if(m_dlg) {
        m_dlg->Raise();
        return;
    }

    wxString projectName = project.IsEmpty() ? ManagerST::Get()->GetActiveProjectName() : project;
    wxString title(projectName);
    title << _(" Project Settings");

    // Allow plugins to process this event first
    clCommandEvent openEvent(wxEVT_CMD_OPEN_PROJ_SETTINGS);
    openEvent.SetString(project);
    if(EventNotifier::Get()->ProcessEvent(openEvent)) { return; }

    // open the project properties dialog
    BuildMatrixPtr matrix = ManagerST::Get()->GetWorkspaceBuildMatrix();

#ifdef __WXMAC__
    // On OSX we use a modal version of the project settings
    // since otherwise we get some weird focus issues when the project
    // settings dialog popups helper dialogs
    ProjectSettingsDlg dlg(clMainFrame::Get(), this,
                           matrix->GetProjectSelectedConf(matrix->GetSelectedConfigurationName(), projectName),
                           projectName, title);
    dlg.ShowModal();

#else
    // Find the project configuration name that matches the workspace selected configuration
    m_dlg = new ProjectSettingsDlg(clMainFrame::Get(), this,
                                   matrix->GetProjectSelectedConf(matrix->GetSelectedConfigurationName(), projectName),
                                   projectName, title);
    m_dlg->Show();

#endif

    // Mark this project as modified
    ProjectPtr proj = ManagerST::Get()->GetProject(projectName);
    if(proj) { proj->SetModified(true); }
}

void WorkspaceTab::ProjectSettingsDlgClosed() { m_dlg = NULL; }

void WorkspaceTab::OnActiveProjectChanged(clProjectSettingsEvent& e)
{
    e.Skip();

    // Update the choice control
    m_configChangeCtrl->SetActiveProject(e.GetProjectName());
}

void WorkspaceTab::DoGoHome()
{
    wxString activeProject = ManagerST::Get()->GetActiveProjectName();
    if(activeProject.IsEmpty()) return;
    m_fileView->ExpandToPath(activeProject, wxFileName());

    wxArrayTreeItemIds arr;
    size_t count = m_fileView->GetSelections(arr);

    if(count == 1) {
        wxTreeItemId sel = arr.Item(0);
        if(sel.IsOk() && m_fileView->ItemHasChildren(sel)) m_fileView->Expand(sel);
    }
    // ManagerST::Get()->ShowWorkspacePane(m_caption);
}

void WorkspaceTab::DoConfigChanged(const wxString& newConfigName)
{
    wxBusyCursor bc;
    BuildMatrixPtr matrix = ManagerST::Get()->GetWorkspaceBuildMatrix();
    matrix->SetSelectedConfigurationName(newConfigName);
    ManagerST::Get()->SetWorkspaceBuildMatrix(matrix);

    // Set the focus to the active editor if any
    LEditor* editor = clMainFrame::Get()->GetMainBook()->GetActiveEditor();
    if(editor) { editor->SetActive(); }

    ManagerST::Get()->UpdateParserPaths(true);
}

void WorkspaceTab::OnFolderDropped(clCommandEvent& event)
{
    // pass it on to the tree view
    m_fileView->CallAfter(&FileViewTree::FolderDropped, event.GetStrings());
}

void WorkspaceTab::OnConfigChanged(clCommandEvent& e)
{
    e.Skip();
    wxString selection = e.GetString();
    if(selection == OPEN_CONFIG_MGR_STR) {
        e.Skip(false);
        wxCommandEvent e(wxEVT_MENU, XRCID("configuration_manager"));
        e.SetEventObject(this);
        ProcessEvent(e);
        return;
    }
    DoConfigChanged(selection);
}