logoutcomponent.js

ajax 框价．是个好工具．javascript 矿家．可以用在任何平台．

// This component creates a lougout page. To logout the session id is needed. This
// is be default take from the sessionid cookie but can be set as well

// requires RegistrationService

function LogoutComponent(oStringBundle, oRegService) {
	// call super()
	BiComponent.call(this);

	this.stringBundle = oStringBundle;
	this.regService = oRegService

	// create the components
	this.messageLabel = new BiLabel;
	this.logoutButton = new BiButton;
	this.closeButton = new BiButton;
	this.logoutProgress = new BiUndeterminedProgressBar;
	this.errorLabel = new BiLabel;

	this.updateStrings();

	// some other properties
	this.messageLabel.setWrap(true);
	this.errorLabel.setWrap(true);
	this.errorLabel.setBorder( new BiBorder(1, "solid", "ThreeDDarkShadow") );
	this.errorLabel.setBackColor("Window");
	this.errorLabel.setForeColor("WindowText");
	this.errorLabel.setPadding(5);
	this.errorLabel.setIcon( new BiImage( application.getPath() + "images/exclamation.16.png", 16, 16 ) );

	// set the fixed size and position values
	// the dynamic position is done in layoutAllChildre*
	this.messageLabel.setLeft(10);
	this.messageLabel.setRight(10);

	this.logoutProgress.setLeft(10);
	this.logoutProgress.setRight(10);
	this.logoutProgress.setVisible(false);

	this.errorLabel.setLeft(10);
	this.errorLabel.setRight(10);
	this.errorLabel.setVisible(false);

	this.logoutButton.setBottom(10);
	this.logoutButton.setWidth(80);
	this.logoutButton.setRight(100);

	this.closeButton.setBottom(10);
	this.closeButton.setWidth(80);
	this.closeButton.setRight(10);

	// add all the components
	this.add(this.messageLabel);
	this.add(this.logoutButton);
	this.add(this.closeButton);
	this.add(this.logoutProgress);
	this.add(this.errorLabel);

	// event hookup
	this.regService.addEventListener("logout", this.onWsResult, this);
	this.regService.addEventListener("logouterror", this.onWsResult, this);
	this.regService.addEventListener("download", this.onDownloadResult, this);
	this.regService.addEventListener("downloaderror", this.onDownloadResult, this);
	this.logoutButton.addEventListener("action", this.logout, this);
	this.closeButton.addEventListener("action", this.close, this);
	this.stringBundle.addEventListener("change", this.updateStrings, this);
}

// make LogoutComponent extend BiComponent
var _p = LogoutComponent.prototype = new BiComponent;
_p._className = "LogoutComponent";

_p.emailSent = false;

// override layoutAllChildren to calculate the position
_p.layoutAllChildren = function () {
	var y = 20;

	this.messageLabel.setTop(y);

	y += this.messageLabel.getHeight() + 20;
	this.logoutProgress.setTop(y);
	this.errorLabel.setTop(y);

	// call super.layoutAllChildren()
	BiComponent.prototype.layoutAllChildren.call(this);
};

// this calls RegistrationService logout and updates the UI to show some progress
// during the call
_p.logout = function ()
{
	this.logoutButton.setEnabled(false);
	this.logoutProgress.setVisible(true);
	this.errorLabel.setVisible(false);
	this.logoutProgress.start();
	this.layoutAllChildren();
	this.regService.logout();
};

_p.close = function () {
	application.getWindow().close();
};


// this is called when RegistrationService fires the logout event
_p.onWsResult = function ( e )
{
	this.emailSent = false;
	this.logoutProgress.stop();

	this.logoutButton.setEnabled(true);
	this.logoutProgress.setVisible(false);

	if (e.result.error) {
		this.errorLabel.setText(e.result.errorDetail.string);
		this.errorLabel.setVisible(true);
	}
	else if (e.result.value.ErrorCode != 0) {
		this.errorLabel.setText(e.result.value.Message);
		this.errorLabel.setVisible(true);
	}
	else {
		this.dispatchEvent(new BiEvent("logout"));
	}
};

_p.onDownloadResult = function ( e )
{
	if (e.result.error) {
		this.errorLabel.setText(e.result.errorDetail.string);
		this.errorLabel.setVisible(true);
	}
	else if (e.result.value.ErrorCode != 0) {
		this.errorLabel.setText(e.result.value.Message);
		this.errorLabel.setVisible(true);
	}
	else {
		this.emailSent = true;
		this.updateStrings();
	}
};


_p.setText = function (s) {
	this.messageLabel.setText(s);
};

_p.updateStrings = function () {
	// get email from registration service. It might return null if we haven't
	// gotten an email which could happen if we were logged in when the app
	// started (it got here based on the session id)
	var email = this.regService.getEmail();
	if ( email == null )
		email = BiLabel.textToHtml( this.stringBundle.getString("registrationEmailAddress")) ;
	else
		email = "<a href=\"mailto:" + email + "\">" + email + "</a>";
	var s;
	if ( this.emailSent )
	{
		s = BiLabel.textToHtml( this.stringBundle.getString("emailSentMessage") );

		this.messageLabel.setHtml( s.replace(/%EMAIL%/g, email) );
	}
	else
	{
		s = BiLabel.textToHtml( this.stringBundle.getString("logoutInfoMessage") );
		this.messageLabel.setHtml( s.replace(/%EMAIL%/g, email) );
	}
	this.logoutButton.setText( this.stringBundle.getString("logoutButton") );
	this.closeButton.setText( this.stringBundle.getString("closeButton") );
};