| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * 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.android.tools.idea.welcome.wizard; |
| |
| import com.android.sdklib.devices.Storage; |
| import com.google.common.collect.ImmutableMap; |
| import com.intellij.ide.BrowserUtil; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.ui.JBColor; |
| import com.intellij.util.ui.UIUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.font.TextAttribute; |
| import java.math.RoundingMode; |
| import java.text.NumberFormat; |
| |
| /** |
| * Functions to style controls for a consistent user UI |
| */ |
| public final class WelcomeUIUtils { |
| |
| private WelcomeUIUtils() { |
| // No instantiation |
| } |
| |
| /** |
| * @return string describing the size |
| */ |
| public static String getSizeLabel(long size) { |
| Storage.Unit[] values = Storage.Unit.values(); |
| Storage.Unit unit = values[values.length - 1]; |
| for (int i = values.length - 2; unit.getNumberOfBytes() > size && i >= 0; i--) { |
| unit = values[i]; |
| } |
| final double space = size * 1.0 / unit.getNumberOfBytes(); |
| String formatted = roundToNumberOfDigits(space, 3); |
| return String.format("%s %s", formatted, unit.getDisplayValue()); |
| } |
| |
| /** |
| * <p>Returns a string that rounds the number so number of |
| * integer places + decimal places is less or equal to maxDigits.</p> |
| * <p>Number will not be truncated if it has more integer digits |
| * then macDigits</p> |
| */ |
| private static String roundToNumberOfDigits(double number, int maxDigits) { |
| int multiplier = 1, digits; |
| for (digits = maxDigits; digits > 0 && number > multiplier; digits--) { |
| multiplier *= 10; |
| } |
| NumberFormat numberInstance = NumberFormat.getNumberInstance(); |
| numberInstance.setGroupingUsed(false); |
| numberInstance.setRoundingMode(RoundingMode.HALF_UP); |
| numberInstance.setMaximumFractionDigits(digits); |
| return numberInstance.format(number); |
| } |
| |
| /** |
| * Appends details to the message if they are not empty. |
| */ |
| public static String getMessageWithDetails(@NotNull String message, @Nullable String details) { |
| if (StringUtil.isEmptyOrSpaces(details)) { |
| return message + "."; |
| } |
| else { |
| String dotIfNeeded = details.trim().endsWith(".") ? "" : "."; |
| return message + ": " + details + dotIfNeeded; |
| } |
| } |
| } |