io.flutter.module.FlutterGeneratorPeer.java Source code

Introduction

Here is the source code for io.flutter.module.FlutterGeneratorPeer.java

Source

/*
 * Copyright 2016 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
package io.flutter.module;

import com.intellij.icons.AllIcons;
import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory;
import com.intellij.openapi.ui.ComboBox;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.ui.TextComponentAccessor;
import com.intellij.openapi.ui.ValidationInfo;
import com.intellij.openapi.util.io.FileUtilRt;
import com.intellij.ui.ComboboxWithBrowseButton;
import com.intellij.ui.DocumentAdapter;
import com.intellij.ui.components.JBLabel;
import com.intellij.xml.util.XmlStringUtil;
import io.flutter.FlutterBundle;
import io.flutter.sdk.FlutterSdkUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.*;
import javax.swing.event.DocumentEvent;
import javax.swing.text.JTextComponent;

public class FlutterGeneratorPeer {

    private JPanel myMainPanel;
    private ComboboxWithBrowseButton mySdkPathComboWithBrowse;
    private JBLabel myVersionLabel;
    private JBLabel myVersionContent;
    private JLabel errorIcon;
    private JTextPane errorText;
    private JScrollPane errorPane;

    public FlutterGeneratorPeer() {
        errorIcon.setText("");
        errorIcon.setIcon(AllIcons.Actions.Lightning);
        Messages.installHyperlinkSupport(errorText);

        // Hide pending real content -- TODO: #83.
        myVersionLabel.setVisible(false);
        myVersionContent.setVisible(false);

        initSdkCombo();
        validate();
    }

    private void initSdkCombo() {
        mySdkPathComboWithBrowse.getComboBox().setEditable(true);
        FlutterSdkUtil.addKnownSDKPathsToCombo(mySdkPathComboWithBrowse.getComboBox());

        mySdkPathComboWithBrowse.addBrowseFolderListener(FlutterBundle.message("flutter.sdk.browse.path.label"),
                null, null, FileChooserDescriptorFactory.createSingleFolderDescriptor(),
                TextComponentAccessor.STRING_COMBOBOX_WHOLE_TEXT);

        final JTextComponent editorComponent = (JTextComponent) mySdkPathComboWithBrowse.getComboBox().getEditor()
                .getEditorComponent();
        editorComponent.getDocument().addDocumentListener(new DocumentAdapter() {
            @Override
            protected void textChanged(DocumentEvent e) {
                validate();
            }
        });
    }

    void apply() {
    }

    @NotNull
    public JComponent getComponent() {
        return myMainPanel;
    }

    private void createUIComponents() {
        mySdkPathComboWithBrowse = new ComboboxWithBrowseButton(new ComboBox<>());
    }

    public boolean validate() {
        final ValidationInfo info = validateSdk();
        if (info != null) {
            errorText.setText(XmlStringUtil.wrapInHtml(info.message));
        }
        errorIcon.setVisible(info != null);
        errorPane.setVisible(info != null);

        return info == null;
    }

    @Nullable
    private ValidationInfo validateSdk() {
        final String sdkPath = getSdkComboPath();
        final String message = FlutterSdkUtil.getErrorMessageIfWrongSdkRootPath(sdkPath);
        if (message != null) {
            return new ValidationInfo(message, mySdkPathComboWithBrowse);
        }

        return null;
    }

    @NotNull
    public String getSdkComboPath() {
        return FileUtilRt.toSystemIndependentName(
                mySdkPathComboWithBrowse.getComboBox().getEditor().getItem().toString().trim());
    }
}