////////////////////////////////////////////////////////////////////////////
// System Pre-define Functions
// 95099372-ef3e-11ea-9c81-bf848405c62e

//Callback of data preparation stage before UI is fully loaded.
var dock_widget = false;

function OnInitializeData(reload, preview) {
        if(preview) {return;}
                
        parent.setTimeout(()=>{
                OnInitDocker();
        }, 0);
       
}

function appendDockPane(sub_form, title, init_pos, allow_pos, features) {
        let dw = sub_form.CreateDock(title);

        if(features) {ui.docker.setFeatures(dw, features);}
        ui.docker.setAllowAreas(dw, allow_pos);
        ui.docker.dock(dw, init_pos);
        
        return dw;
}

function OnInitDocker() {
        
        dock_widget = appendDockPane(unit.form.side_pane, "功能区", 1, 1|2);
      
        ui.docker.show(dock_widget, true);
       
}

function installDockerCallback(apply_cb, next_cb, back_cb){
        ui.OnLeftSideApply = apply_cb;
        ui.OnLeftSideNext = next_cb;
        ui.OnLeftSideBack = back_cb;
}
//Callback after UI is fully loaded and displayed.
function OnReady(reload, preview) {
}

function OnCloseForm() {
    
}

function OnException(err) {
        //ui.MessageBox('Error', '' + err, MessageBox.Icon.Critical, MessageBox.Button.Ok);
}

//////////////////////////////////////////////////////////////////////////
// Callback Functions.
// 641a254c-ef3e-11ea-bc8a-379bb908bdd7

//The message corresponding callback executed by the main form
// when calling pui.fireEvent(type,para) in the Docker subform.
function OnChildDockerMessage(type, para){
}

//////////////////////////////////////////////////////////////////////////
// Utils Functions.
// 6c165ad6-ef3e-11ea-987c-b761a131c2fe

function onDragFile(filepath) {
}

/*Usage of BLOCK_EVENT
        BLOCK_EVENT(()=>{
                ui.[name].[var] = ...;
        });
*/

function BLOCK_EVENT(cb) {
        ui.block_event = true;
        
        cb();
        
        ui.block_event = false;
}