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add native file choser
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‎.gitignore‎

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@@ -6,6 +6,7 @@ docs.felnull.dev
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### Example user template
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FNJL2x64.dll
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FNJL3x64.dll
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secring.gpg
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test
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# IntelliJ project files

‎src/main/java/dev/felnull/fnjl/BuildIn.java‎

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public class BuildIn {
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protected static final String VERSION = "1.24";
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6-
protected static final int NATIVE_LIB_VERSION = 2;
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protected static final int NATIVE_LIB_VERSION = 3;
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}

‎src/main/java/dev/felnull/fnjl/jni/NativeFileChooser.java‎

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package dev.felnull.fnjl.jni;
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import dev.felnull.fnjl.jni.windows.WindowsOpenFileName;
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import dev.felnull.fnjl.os.OSs;
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import java.io.File;
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import java.nio.file.Path;
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/**
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* MinecraftなどFileChooser、JFileChooserが利用できない環境でファイル選択画面を開くため
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*
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* @since 1.25
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*/
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public class NativeFileChooser {
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private String title;
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private String defExt;
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private Flag flag;
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private Path initialDirectory;
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private String initialName;
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private Filter[] filters;
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private int initialFilterIndex;
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public NativeFileChooser() {
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}
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public NativeFileChooser(String title) {
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this.title = title;
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}
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public NativeFileChooser(String title, Flag flags, Filter... filters) {
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this.title = title;
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this.flag = flags;
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this.filters = filters;
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}
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public static boolean isSupport() {
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return OSs.isWindows() && OSs.isX64();
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}
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public void setInitialDirectory(Path initialDirectory) {
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this.initialDirectory = initialDirectory;
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}
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public void setFilters(Filter[] filters) {
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this.filters = filters;
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}
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public void setDefExt(String defExt) {
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this.defExt = defExt;
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}
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public File[] openWindow() {
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return openWindow(0);
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}
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public File[] openWindow(long hwndId) {
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if (!isSupport()) return null;
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if (OSs.isWindows() && OSs.isX64())
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return WindowsOpenFileName.open(this, hwndId);
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return null;
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}
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public Filter[] getFilters() {
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return filters;
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}
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public Flag getFlag() {
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return flag;
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}
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public int getInitialFilterIndex() {
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return initialFilterIndex;
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}
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public Path getInitialDirectory() {
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return initialDirectory;
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}
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public String getDefExt() {
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return defExt;
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}
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public String getTitle() {
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return title;
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}
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public String getInitialName() {
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return initialName;
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}
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//http://wisdom.sakura.ne.jp/system/winapi/common/common6.html
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//http://yamatyuu.net/computer/program/sdk/common_dialog/GetOpenFileName/index.html
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public static class Flag {
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private boolean multiSelect;
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private boolean explorer;
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private boolean creatEPrompt;
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private boolean fileMustExist;
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private boolean hideReadOnly;
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private boolean nodeReferenceLinks;
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private boolean readOnly;
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/**
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* 複数選択可能かどうか
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*
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* @param allow 許可
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* @return this
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*/
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public Flag allowMultiSelect(boolean allow) {
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this.multiSelect = allow;
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return this;
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}
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/**
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* Windowsで複数選択可能時に見た目が古いスタイルで表示しないかどうか
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*
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* @param explorer 表示させない
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* @return this
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*/
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public Flag explorer(boolean explorer) {
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this.explorer = explorer;
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return this;
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}
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/**
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* 存在ファイルを選択しようとした際に作成確認を表示させる
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*
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* @param creatEPrompt 表示するかどうか
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* @return this
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*/
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public Flag creatEPrompt(boolean creatEPrompt) {
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this.creatEPrompt = creatEPrompt;
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return this;
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}
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/**
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* 存在しないファイルを選択できないようにする
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*
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* @param fileMustExist 選択できないかどうか
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* @return this
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*/
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public Flag fileMustExist(boolean fileMustExist) {
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this.fileMustExist = fileMustExist;
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return this;
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}
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/**
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* ファイルが読み取り専用かどうかを隠す
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*
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* @param hideReadOnly 隠すかどうか
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* @return this
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*/
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public Flag hideReadOnly(boolean hideReadOnly) {
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this.hideReadOnly = hideReadOnly;
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return this;
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}
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/**
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* ショートカット(.link)を選択するとショートカット先に移動するかショートカット自体を取得するか
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*
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* @param nodeReferenceLinks どうか
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* @return this
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*/
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public Flag nodeReferenceLinks(boolean nodeReferenceLinks) {
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this.nodeReferenceLinks = nodeReferenceLinks;
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return this;
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}
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/**
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* 読み取り専用を標準にするかどうか
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*
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* @param readOnly 読み取り専用かどうか
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* @return this
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*/
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public Flag readOnly(boolean readOnly) {
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this.readOnly = readOnly;
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return this;
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}
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public boolean isCreatEPrompt() {
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return creatEPrompt;
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}
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public boolean isExplorer() {
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return explorer;
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}
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public boolean isFileMustExist() {
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return fileMustExist;
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}
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public boolean isHideReadOnly() {
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return hideReadOnly;
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}
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public boolean isMultiSelect() {
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return multiSelect;
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}
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public boolean isNodeReferenceLinks() {
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return nodeReferenceLinks;
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}
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public boolean isReadOnly() {
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return readOnly;
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}
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}
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public static class Filter {
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private final String description;
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private final String[] extension;
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public Filter(String description, String... extension) {
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this.description = description;
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this.extension = extension;
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}
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public String toWindowsFilterText() {
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String exsStr;
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String winExsStr;
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if (extension == null || extension.length == 0) {
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exsStr = "*";
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winExsStr = "*.*";
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} else {
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String[] winExs = new String[extension.length];
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for (int i = 0; i < winExs.length; i++) {
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winExs[i] = "*." + extension[i];
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}
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exsStr = String.join("", winExs);
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winExsStr = String.join(";", winExs);
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}
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return description + " (" + exsStr + ")" + "\0" + winExsStr + "\0";
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}
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}
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}

‎src/main/java/dev/felnull/fnjl/jni/windows/WindowsLibrary.java‎

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@@ -55,4 +55,22 @@ public static String getSystemFontFaceName(int num) {
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return WindowsNative.getSystemFontFaceName(num);
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}
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/**
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* GetOpenFileNameを開く
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*
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* @param hwndId ウィンドウハンドル
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* @param title タイトル
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* @param initDir 初期ディレクトリ
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* @param initName 初期選択名
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* @param defExt 初期拡張子
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* @param filter フィルター
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* @param filterIndex 初期フィルター番号
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* @param flags フラグ
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* @return ファイルパス
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*/
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public static byte[] getOpenFileName(long hwndId, String title, String initDir, String initName, String defExt, String filter, int filterIndex, int flags) {
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if (!init())
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return null;
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return WindowsNative.getOpenFileName(hwndId, title, initDir, initName, defExt, filter, filterIndex, flags);
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}
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}

‎src/main/java/dev/felnull/fnjl/jni/windows/WindowsNative.java‎

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@@ -5,4 +5,6 @@ public class WindowsNative {
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protected static native String getSpecialFolderPath(int num);
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protected static native String getSystemFontFaceName(int num);
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protected static native byte[] getOpenFileName(long hwndId, String title, String initDir, String initName, String defExt, String filter, int filterIndex, int flags);
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}

‎src/main/java/dev/felnull/fnjl/jni/windows/WindowsOpenFileName.java‎

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package dev.felnull.fnjl.jni.windows;
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import dev.felnull.fnjl.jni.NativeFileChooser;
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import java.io.File;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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public class WindowsOpenFileName {
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public static File[] open(NativeFileChooser fc, long hwnd) {
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String title = fc.getTitle() == null ? "" : fc.getTitle();
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String initDir = fc.getInitialDirectory() == null ? "" : fc.getInitialDirectory().toAbsolutePath().toString();
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String initName = fc.getInitialName() == null ? "" : fc.getInitialName();
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String defExt = fc.getDefExt() == null ? "" : fc.getDefExt();
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int flgNum = createFlagNum(fc.getFlag());
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byte[] op = WindowsLibrary.getOpenFileName(hwnd, title, initDir, initName, defExt, createFilterString(fc.getFilters()), fc.getInitialFilterIndex(), flgNum);
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if (op == null) return null;
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String str = new String(op);
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if (!str.endsWith("\0\0")) return null;
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str = str.substring(0, str.length() - 2);
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String[] files = str.split(getFlgStr(flgNum));
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if (files.length == 0) return new File[]{};
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if (files.length == 1) return new File[]{new File(files[0])};
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Path dir = Paths.get(files[0]);
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File[] Ffiles = new File[files.length - 1];
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for (int i = 0; i < Ffiles.length; i++) {
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Ffiles[i] = dir.resolve(files[1 + i]).toFile();
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}
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return Ffiles;
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}
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private static String getFlgStr(int flg) {
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boolean am = (flg & Flag.OFN_ALLOWMULTISELECT.getNum()) != 0;
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boolean ex = (flg & Flag.OFN_EXPLORER.getNum()) != 0;
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if (am && !ex)
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return " ";
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return "\0";
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}
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private static String createFilterString(NativeFileChooser.Filter[] filters) {
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if (filters == null) return "";
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StringBuilder sb = new StringBuilder();
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for (NativeFileChooser.Filter filter : filters) {
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sb.append(filter.toWindowsFilterText());
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}
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return sb.toString();
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}
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private static int createFlagNum(NativeFileChooser.Flag flags) {
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if (flags == null) return 0;
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int num = 0;
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if (flags.isCreatEPrompt())
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num |= Flag.OFN_CREATEPROMPT.getNum();
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if (flags.isExplorer())
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num |= Flag.OFN_EXPLORER.getNum();
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if (flags.isFileMustExist())
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num |= Flag.OFN_FILEMUSTEXIST.getNum();
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if (flags.isHideReadOnly())
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num |= Flag.OFN_HIDEREADONLY.getNum();
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if (flags.isMultiSelect())
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num |= Flag.OFN_ALLOWMULTISELECT.getNum();
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if (flags.isNodeReferenceLinks())
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num |= Flag.OFN_NOREADONLYRETURN.getNum();
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if (flags.isReadOnly())
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num |= Flag.OFN_READONLY.getNum();
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return num;
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}
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public static enum Flag {
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OFN_READONLY(0x1),
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OFN_OVERWRITEPROMPT(0x2),
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OFN_HIDEREADONLY(0x4),
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OFN_NOCHANGEDIR(0x8),
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OFN_SHOWHELP(0x10),
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OFN_ENABLEHOOK(0x20),
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OFN_ENABLETEMPLATE(0x40),
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OFN_ENABLETEMPLATEHANDLE(0x80),
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OFN_NOVALIDATE(0x100),
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OFN_ALLOWMULTISELECT(0x200),
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OFN_EXTENSIONDIFFERENT(0x400),
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OFN_PATHMUSTEXIST(0x800),
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OFN_FILEMUSTEXIST(0x1000),
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OFN_CREATEPROMPT(0x2000),
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OFN_SHAREAWARE(0x4000),
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OFN_NOREADONLYRETURN(0x8000),
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OFN_NOTESTFILECREATE(0x10000),
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OFN_NONETWORKBUTTON(0x20000),
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OFN_NOLONGNAMES(0x40000),
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OFN_EXPLORER(0x80000),
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OFN_NODEREFERENCELINKS(0x100000),
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OFN_LONGNAMES(0x200000),
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OFN_ENABLEINCLUDENOTIFY(0x400000),
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OFN_ENABLESIZING(0x800000),
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OFN_DONTADDTORECENT(0x2000000),
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OFN_FORCESHOWHIDDEN(0x10000000),
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OFN_EX_NOPLACESBAR(0x1),
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OFN_SHAREFALLTHROUGH(2),
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OFN_SHARENOWARN(1),
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OFN_SHAREWARN(0);
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private int num;
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private Flag(int num) {
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this.num = num;
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}
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public int getNum() {
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return num;
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}
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}
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}

‎src/main/resources/dev/felnull/fnjl/natives/FNJLx64.dll‎

9.63 KB
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