/*
 * Copyright (c) 2005-2010, Haiku, Inc.
 * Distributed under the terms of the MIT license.
 *
 * Author:
 *              DarkWyrm <darkwyrm@gmail.com>
 */
#include "InternalEditors.h"
#include "ResourceData.h"

#include <Message.h>
#include <Messenger.h>
#include <ScrollView.h>
#include <String.h>

#include <stdlib.h>

StringEditor::StringEditor(const BRect &frame, ResourceData *data,
                                                        BHandler *owner)
  :     Editor(frame, data, owner)
{
        if (data->GetName())
                SetTitle(data->GetName());
        
        fView = new StringEditView(Bounds());
        AddChild(fView);
        
        if (data->IsAttribute())
                fView->EnableID(false);
        else
                fView->SetID(data->GetIDString());
        fView->SetName(data->GetName());
        fView->SetValue(data->GetData());
}


void
StringEditor::MessageReceived(BMessage *msg)
{
        if (msg->what == M_UPDATE_RESOURCE) {
                // We have to have an ID, so if the squirrely developer didn't give us
                // one, don't do anything
                if (fView->GetID()) {
                        int32 newid = atol(fView->GetID());
                        GetData()->SetID(newid);
                }
                GetData()->SetName(fView->GetName());
                GetData()->SetData(fView->GetValue(), strlen(fView->GetValue()));
                
                BMessage updatemsg(M_UPDATE_RESOURCE);
                updatemsg.AddPointer("item", GetData());
                BMessenger msgr(GetOwner());
                msgr.SendMessage(&updatemsg);
                PostMessage(B_QUIT_REQUESTED);
                
        } else {
                Editor::MessageReceived(msg);
        }
}


Editor::Editor(const BRect &frame, ResourceData *data, BHandler *owner)
  :     BWindow(frame, "Untitled", B_TITLED_WINDOW, B_ASYNCHRONOUS_CONTROLS),
        fResData(data),
        fOwner(owner)
{
}


Editor::~Editor(void)
{
}


StringEditView::StringEditView(const BRect &frame)
  :     BView(frame, "edit", B_FOLLOW_ALL, B_WILL_DRAW)
{
        SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
        
        BRect r;
        
        float labelwidth = be_plain_font->StringWidth("ID: ");
        float strwidth = be_plain_font->StringWidth("(attr) ");
        
        font_height fh;
        be_plain_font->GetHeight(&fh);
        float strheight = fh.ascent + fh.descent + fh.leading + 5;
        
        fIDBox = new BTextControl(BRect(10, 10, 10 + (strwidth + labelwidth) + 15,
                                                                        10 + strheight),
                                                          "id", "ID: ", "", NULL);
        fIDBox->SetDivider(labelwidth + 5);
        AddChild(fIDBox);
        
        r = fIDBox->Frame();
        r.OffsetBy(r.Width() + 10, 0);
        r.right = Bounds().right - 10;
        fNameBox = new BTextControl(r, "name", "Name: ", "", NULL,
                                                                B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP);
        fNameBox->SetDivider(be_plain_font->StringWidth("Name: ") + 5);
        AddChild(fNameBox);
        
        r.OffsetBy(0, r.Height() + 10);
        r.left = 10;
        r.right -= B_V_SCROLL_BAR_WIDTH;
        BRect textRect(r.OffsetToCopy(0.0, 0.0));
        textRect.InsetBy(5.0, 5.0);
        fValueView = new BTextView(r, "value", textRect, B_FOLLOW_ALL);
        
        BScrollView *scrollView = new BScrollView("scrollView", fValueView,
                                                                                                B_FOLLOW_ALL, 0, false, true);
        AddChild(scrollView);
        
        fOK = new BButton(BRect(10, 10, 11, 11), "ok", "Cancel", new BMessage(M_UPDATE_RESOURCE),
                                          B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
        fOK->ResizeToPreferred();
        fOK->SetLabel("OK");
        AddChild(fOK);
        
        fOK->MoveTo(r.right - fOK->Bounds().Width(), r.bottom + 10);
        r = fOK->Frame();
        r.OffsetBy(-r.Width() - 10, 0);
        fCancel = new BButton(r, "cancel", "Cancel", new BMessage(B_QUIT_REQUESTED),
                                          B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
        AddChild(fCancel);
}


StringEditView::~StringEditView(void)
{
}


void
StringEditView::AttachedToWindow(void)
{
        if (Bounds().Height() < fCancel->Frame().bottom + 10) {
                BView *view = FindView("scrollView");
                view->SetResizingMode(B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP);
                fOK->SetResizingMode(B_FOLLOW_RIGHT);
                fCancel->SetResizingMode(B_FOLLOW_RIGHT);
                Window()->ResizeTo(Window()->Bounds().Width(), fCancel->Frame().bottom + 10);
                view->SetResizingMode(B_FOLLOW_ALL);
                fOK->SetResizingMode(B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
                fCancel->SetResizingMode(B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
        }
        
        Window()->SetSizeLimits(Window()->Bounds().Width(), 30000,
                                                        Window()->Bounds().Height(), 30000);
}


float
StringEditView::GetPreferredWidth(void) const
{
        float idwidth = be_plain_font->StringWidth("ID: ") + 
                                        be_plain_font->StringWidth("(attr) ") + 15.0;
        float namewidth = be_plain_font->StringWidth("Name: ") + 
                                        be_plain_font->StringWidth(fNameBox->Text()) + 15.0;
        return idwidth + namewidth + 100;
}


float
StringEditView::GetPreferredHeight(void) const
{
        font_height fh;
        be_plain_font->GetHeight(&fh);
        float strheight = fh.ascent + fh.descent + fh.leading + 5;
        float lineCount = fValueView->CountLines() < 5.0 ? fValueView->CountLines() : 5.0;
        return fOK->Frame().Height() + (strheight * lineCount) + 40.0;
}