SwitchBranchWindow.cpp

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#include "SwitchBranchWindow.h"
#include "../GitCommand/SwitchBranch.h"

#include <stdio.h>
#include <git2.h>

#include <LayoutBuilder.h>

#include <vector>


SwitchBranchWindow::SwitchBranchWindow(BString repo)
    :
    TrackGitWindow(repo, BRect(0, 0, 300, 100), "TrackGit - Switch Branch",
            B_DOCUMENT_WINDOW, B_NOT_RESIZABLE | B_NOT_ZOOMABLE)
{
    vector<BString> branches;

    if (SwitchBranch::GetBranches(fRepo, branches) != 0) {
        const git_error* err = giterr_last();
        printf("Error %d : %s\n", err->klass, err->message);
        BString buffer("Error : %s");
        buffer.ReplaceFirst("%s", err->message);
        BAlert* alert = new BAlert("", buffer.String(), "Cancel", 
            0, 0, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
        alert->Go();
        Quit();
    }

    fSwitchMenu = new BPopUpMenu(branches[0]);
    fSelectedBranch = branches[0];

    BButton* fSwitch = new BButton("switch", "Switch",
            new BMessage(kDoSwitchBranch));
    BButton* fCancel = new BButton("cancel", "Cancel",
            new BMessage(kCancelSwitchBranch));

    for (int i=0; i<branches.size(); i++) {
        BMessage *msg = new BMessage(kBranchName);
        msg->AddString("branch", branches[i]);
        fSwitchMenu->AddItem(new BMenuItem(branches[i].String(), msg));
    }

    BMenuField* switchMenuField = new BMenuField("Branch: ", fSwitchMenu);

    BLayoutBuilder::Group<>(this, B_VERTICAL, 0)
        .SetInsets(10)
        .Add(switchMenuField)
        .AddGroup(B_HORIZONTAL, 0)
            .AddGlue()
            .Add(fCancel)
            .Add(fSwitch)
            .End();

    CenterOnScreen();
    Show();
}


void
SwitchBranchWindow::MessageReceived(BMessage* msg)
{
    BAlert* alert = NULL;
    BString branchName;
    switch (msg->what) {
        case kDoSwitchBranch:
            if (SwitchBranch::DoSwitchBranch(fRepo, fSelectedBranch) < 0) {
                const git_error* err = giterr_last();

                BString buffer("Error : %s");
                buffer.ReplaceFirst("%s", err->message);
                alert = new BAlert("", buffer.String(), "Cancel", 
                        0, 0, B_WIDTH_AS_USUAL, B_WARNING_ALERT);
            } else {
                BString buffer("Switched to branch %b.");
                buffer.ReplaceFirst("%b", fSelectedBranch.String());
                alert = new BAlert("", buffer.String(), "OK", 
                        0, 0, B_WIDTH_AS_USUAL);
            }
            alert->Go();
            Quit();
            break;
        case kCancelSwitchBranch:
            Quit();
            break;
        case kBranchName:
            if (msg->FindString("branch", &branchName) == B_OK)
                fSelectedBranch = branchName;
            break;
        default:
            BWindow::MessageReceived(msg);
    }
}