/* LICENSE BLOCK
Part of mde: a Modular D game-oriented Engine
Copyright © 2007-2008 Diggory Hardy

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.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>. */

/** Some content widgets. */
module mde.gui.widget.miscContent;

import mde.gui.widget.textContent;
import mde.gui.widget.Widget;
import mde.gui.widget.TextWidget;
import mde.gui.exception;
import mde.gui.renderer.IRenderer;

import mde.gui.content.Content;

/// Chooses the most appropriate content editing widget
IChildWidget editContent (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
    if (cast(BoolContent) c)
        return new BoolContentWidget(mgr,id,data,c);
    else if (cast(ValueContent) c)
	return new ValueContentWidget(mgr,id,data,c);
    else        // generic uneditable option
        return new DisplayContentWidget(mgr,id,data,c);
}

/// Just displays the content
class DisplayContentWidget : ATextWidget
{
    this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
        WDCheck(data, 1);
        content = c;
        if (!content) throw new ContentException ();
        adapter = mgr.renderer.getAdapter (content.toString(0));
        super (mgr, id, data);
    }
    
protected:
    IContent content;
}

/// Editable boolean widget
class BoolContentWidget : AButtonWidget
{
    this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
        WDCheck(data, 1);
        content = cast(BoolContent) c;
        if (!content) throw new ContentException ();
        wdimPair s = mgr.renderer.getToggleSize;
        w = mw = s.x;
        h = mh = s.y;
        super (mgr, id, data);
    }
    
    void draw () {
        mgr.renderer.drawToggle (x,y, content(), pushed);
    }
    
    void activated () {
        content = !content();
    }
    
protected:
    BoolContent content;
}