#!/usr/bin/env luaengine
--[[
******************************************************************************
* luaengine LuaEngine Runtime
* Copyright (C) 2019 Syping
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************
--]]

local mainWindow
local scriptLineEdit

function main()
    mainWindow = createMainWindow("LuaEngine Runtime")
    local mainLayout = createLayout(VerticalLayout, mainWindow)

    createLabel("<strong>LuaEngine Runtime</strong>", mainLayout)

    local scriptLayout = createLayout(HorizontalLayout, mainLayout)
    createLabel("Script:", scriptLayout)
    scriptLineEdit = createLineEdit("", scriptLayout)
    setWidgetReadOnly(scriptLineEdit)
    local scriptToolButton = createToolButton("...", scriptLayout)
    connect(scriptToolButton, "clicked()", "scriptButtonPressed")

    createSpacerItem(SizePolicyMinimum, SizePolicyExpanding, mainLayout)

    local buttonLayout = createLayout(HorizontalLayout, mainLayout)
    createSpacerItem(SizePolicyExpanding, SizePolicyMinimum, buttonLayout)
    local runButton = createPushButton("&Run", buttonLayout)
    connect(runButton, "clicked()", "runScript")

    setWidgetSize(mainWindow, 300, 0) 
    setWidgetFixed(mainWindow, true)
    showWidget(mainWindow, ShowDefault)

    return GuiExecuted
end

function scriptButtonPressed()
    local filePath = showFileDialog(OpenFileDialog, "Select LuaEngine script...", "LuaEngine scripts (*.lua *.lea)", mainWindow)
    if (filePath ~= nil) then
        setObjectText(scriptLineEdit, filePath)
    end
end

function runScript()
    executeProcess(_LuaEngineRT, getObjectText(scriptLineEdit), true)
end