/*
* Copyright 2010 Google Inc.
*
* 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.
*/
package com.google.gwt.devmodeoptions.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.StyleInjector;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Window.Location;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RadioButton;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
/**
* The options page for configuring the set of hosts permitted to use the GWT
* Developer Plugin.
*/
public class DevModeOptions implements EntryPoint {
interface Binder extends UiBinder<Widget, DevModeOptions> {
}
private static final DevModeOptionsResources bundle = GWT.create(DevModeOptionsResources.class);
@UiField
Button addBtn;
@UiField
Label errorMessage;
@UiField
TextBox hostname;
@UiField
TextBox codeserver;
JsArray<HostEntry> hosts;
@UiField
RadioButton includeNo;
@UiField
RadioButton includeYes;
@UiField
FlexTable savedHosts;
public void onModuleLoad() {
StyleInjector.inject(bundle.css().getText(), true);
RootLayoutPanel.get().add(
GWT.<Binder> create(Binder.class).createAndBindUi(this));
hosts = HostEntryStorage.get().getHostEntries();
addBtn.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
addHost(HostEntry.create(hostname.getText() + "/"
+ getCodeServer(codeserver),
includeYes.getValue()));
}
});
hostname.setFocus(true);
String host = Location.getParameter("host");
if (host != null) {
hostname.setText(host);
}
String code = Location.getParameter("codeserver");
if (code != null) {
codeserver.setText(code);
} else {
//default for users entering through options
codeserver.setText("localhost");
}
hostname.addKeyPressHandler(new KeyPressHandler() {
public void onKeyPress(KeyPressEvent event) {
if (event.getCharCode() == KeyCodes.KEY_ENTER) {
addHost(HostEntry.create(hostname.getText() + "/"
+ getCodeServer(codeserver),
includeYes.getValue()));
}
}
});
codeserver.addKeyPressHandler(new KeyPressHandler() {
public void onKeyPress(KeyPressEvent event) {
if (event.getCharCode() == KeyCodes.KEY_ENTER) {
addHost(HostEntry.create(hostname.getText() + "/"
+ getCodeServer(codeserver),
includeYes.getValue()));
}
}
});
savedHosts.setText(0, 0, "Web server");
savedHosts.setText(0, 1, "Code server");
savedHosts.setText(0, 2, "Include/Exclude");
savedHosts.setText(0, 3, "Remove");
savedHosts.getCellFormatter().addStyleName(0, 0,
bundle.css().savedHostsHeading());
savedHosts.getCellFormatter().addStyleName(0, 0, bundle.css().textCol());
savedHosts.getCellFormatter().addStyleName(0, 1,
bundle.css().savedHostsHeading());
savedHosts.getCellFormatter().addStyleName(0, 1, bundle.css().textCol());
savedHosts.getCellFormatter().addStyleName(0, 2,
bundle.css().savedHostsHeading());
savedHosts.getCellFormatter().addStyleName(0, 3,
bundle.css().savedHostsHeading());
for (int i = 0; i < hosts.length(); i++) {
displayHost(hosts.get(i));
}
}
private void addHost(final HostEntry newHost) {
if (newHost.getUrl().length() == 0) {
return;
}
boolean alreadyExists = false;
for (int i = 0; i < hosts.length() && !alreadyExists; i++) {
if (hosts.get(i).isEqual(newHost)) {
alreadyExists = true;
}
}
if (alreadyExists) {
error("Cannot add duplicate host entry for " + newHost.getUrl());
return;
} else {
hosts.push(newHost);
clearError();
}
HostEntryStorage.get().saveEntries(hosts);
displayHost(newHost);
codeserver.setText("");
hostname.setText("");
hostname.setFocus(true);
}
private void clearError() {
errorMessage.setText("");
}
private void displayHost(final HostEntry newHost) {
int numRows = savedHosts.getRowCount();
int col = 0;
String[] names = newHost.getUrl().split("/");
savedHosts.insertRow(numRows);
savedHosts.setText(numRows, col++, names[0]);
savedHosts.setText(numRows, col++, names.length > 1 ? names[1]
: "localhost");
savedHosts.setText(numRows, col++, newHost.include() ? "Include"
: "Exclude");
if (newHost.include()) {
savedHosts.getCellFormatter().addStyleName(numRows, 0,
bundle.css().include());
savedHosts.getCellFormatter().addStyleName(numRows, 1,
bundle.css().include());
savedHosts.getCellFormatter().addStyleName(numRows, 2,
bundle.css().include());
} else {
savedHosts.getCellFormatter().addStyleName(numRows, 0,
bundle.css().exclude());
savedHosts.getCellFormatter().addStyleName(numRows, 1,
bundle.css().exclude());
savedHosts.getCellFormatter().addStyleName(numRows, 2,
bundle.css().exclude());
}
Button removeHostButton = new Button("x");
removeHostButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
removeHost(newHost);
}
});
savedHosts.setWidget(numRows, col, removeHostButton);
}
private void error(String text) {
errorMessage.setText(text);
}
private void removeHost(HostEntry host) {
JsArray<HostEntry> newHosts = JavaScriptObject.createArray().cast();
for (int index = 0; index < hosts.length(); index++) {
if (hosts.get(index).isEqual(host)) {
savedHosts.removeRow(index + 1);
} else {
newHosts.push(hosts.get(index));
}
}
hosts = newHosts;
HostEntryStorage.get().saveEntries(hosts);
}
private String getCodeServer(TextBox box) {
return (box.getText().length() > 0) ? box.getText() : "localhost";
}
}