// Simple View
// (c) 2020 Steve Banham

scriptName = "Simple View";
scriptVersion = "1.1";
scriptDate = "12/5/2020";
scriptCopyright = "(c) 2020 Steve Banham";
scriptMinVersion = "12.20.3";
scriptDesc = "Simple image viewer.";

var strName;
var flgRotate = true;

function OnInit(initData) {
    initData.name = scriptName;
    initData.version = scriptVersion;
    initData.copyright = scriptCopyright;
    initData.desc = scriptDesc;
    initData.default_enable = true;
    initData.min_version = scriptMinVersion;

    initData.config_desc = DOpus.Create.Map();
    initData.config_groups = DOpus.Create.Map();
    var configName = "";
    
    configName = "no_rotate_image";
    initData.Config[configName] = false;
    initData.config_desc(configName) = "If set to true, the viewer will no longer use rotation metadata to display images.";

    configName = "remember_position";
    initData.Config[configName] = true;
    initData.config_desc(configName) = "The dialog remembers it's last size and position.";

    var cmd = initData.AddCommand();
    cmd.name = "SimpleView";
    cmd.method = "onSimpleView";
    cmd.desc = scriptDesc;
    cmd.label = "SimpleView";   
}

function onSimpleView(scriptCmdData) {

    var srcTab = scriptCmdData.func.sourcetab;

    if (srcTab.stats.selfiles == 0) {
		DOpus.Output("No files selected.",false,true);
        return;
    }

	if (srcTab.selected_files(0).metadata != "image") {
		DOpus.Output("Not an image file.",false,true);
		return;
    }

    if (Script.Config["no_rotate_image"] == true) {
        flgRotate = false;
    }
    else flgRotate = true;
    
    strName = srcTab.selected_files(0).name;

    var dlg = DOpus.Dlg;
    dlg.title = scriptName + " " + scriptVersion + " - Directory Opus";
    dlg.template = "dlgSimpleView";
    if (Script.Config["remember_position"] == true) {
        dlg.LoadPosition("Steve_SimpleView");
    }
    dlg.detach = true;
    
    dlg.Create();

    dlg.WatchTab(srcTab, "select,srcdst");
    if (flgRotate == true) {
        dlg.Control("staticImage").rotate = 360 - srcTab.selected_files(0).metadata.image.rotation;
    }
	dlg.Control("staticImage").label = srcTab.selected_files(0).path + "\\" + srcTab.selected_files(0).name;
    
    dlg.Show();
    
    while (true) {

        var msg = dlg.GetMsg();

        if (!msg.result) break;

        if (msg.event == "tab") {

            if (msg.value == "srcdst") {
                var srcTab = DOpus.listers.lastactive.activetab;
                srcTab.Update();
                dlg.WatchTab(srcTab, "select,srcdst");
            }

            if (msg.value == "select") {
                srcTab.Update();
				if (srcTab.stats.selitems != 0 && srcTab.source == true) {
					if (srcTab.selected(0).is_dir == true) {
                        dlg.Control("staticImage").label = "";
                        strName = srcTab.selected(0).name;
					}
					else {
						if (srcTab.selected_files(0).metadata == "image" && strName != srcTab.selected_files(0).name) {
                            dlg.Control("staticImage").label = "";
                            if (flgRotate == true) {
                                dlg.Control("staticImage").rotate = 360 - srcTab.selected_files(0).metadata.image.rotation;
                            }
                            dlg.Control("staticImage").label = srcTab.selected_files(0).path + "\\" + srcTab.selected_files(0).name;
                            strName = srcTab.selected_files(0).name;
						}
						if (srcTab.selected_files(0).metadata != "image" && strName != srcTab.selected_files(0).name) {
                            dlg.Control("staticImage").label = "";
                            strName = srcTab.selected_files(0).name;
						}
					}
				}
			}
        }
    }
    if (Script.Config["remember_position"] == true) {
        dlg.SavePosition("Steve_SimpleView");
    }
}

function OnAboutScript(aboutData){
    dlg = DOpus.Dlg;
    dlg.window = aboutData.window;
    dlg.title = scriptName + scriptVersion + " - Directory Opus";
    dlg.message = scriptName + " v" + scriptVersion + "\t\t\t\t" + scriptDate + "\n\n" + scriptDesc + "\n\n" + scriptCopyright;
    dlg.buttons = "Close";
    dlg.icon = "info";
    dlg.show;
}

==SCRIPT RESOURCES
<resources>
	<resource name="dlgSimpleView" type="dialog">
		<dialog fontsize="8" height="289" lang="english" resize="yes" width="250">
			<control halign="left" height="282" image="yes" name="staticImage" resize="wh" type="static" width="242" x="4" y="3" />
		</dialog>
	</resource>
</resources>