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app/app-detail.component.html

@@ -94,8 +94,9 @@
                 <p i18n>即将开始安装 {{currentApp.name}}</p>
                 <h4 i18n>安装位置</h4>
                 <div class="form-group">
-                    <select class="form-control" name="installPath" [(ngModel)]="installOption.installLibrary" title="path">
+                    <select class="form-control" name="installPath" (change)="selectLibrary()" [(ngModel)]="installOption.installLibrary" title="path">
                         <option *ngFor="let library of libraries" value="{{library}}"> {{library}}</option>
+                        <option *ngFor="let library of availableLibraries" value="create_{{library}}">在 {{library}}\ 盘新建 MyCard 库</option>
                     </select></div>
                 <h4 i18n>快捷方式</h4>
                 <div class="checkbox">

app/app-detail.component.ts

@@ -6,7 +6,9 @@ import {App} from "./app";
 import {DownloadService} from "./download.service";
 import {clipboard, remote} from "electron";
 import * as path from "path";
+import * as fs from 'fs';
 import {InstallService} from "./install.service";
+import mkdirp = require("mkdirp");
 
 declare const Notification: any;
 declare const $: any;
@@ -23,7 +25,7 @@ export class AppDetailComponent implements OnInit {
     platform = process.platform;
 
     installOption: InstallOption;
-
+    availableLibraries: string[] = [];
     references: App[];
     referencesInstall: {[id: string]: boolean};
 
@@ -32,7 +34,41 @@ export class AppDetailComponent implements OnInit {
                 private ref: ChangeDetectorRef) {
     }
 
+//     public File[] listRoots() {
+//     int ds = listRoots0();
+//     int n = 0;
+//     for (int i = 0; i < 26; i++) {
+//         if (((ds >> i) & 1) != 0) {
+//             if (!access((char)('A' + i) + ":" + slash))
+//                 ds &= ~(1 << i);
+//             else
+//                 n++;
+//         }
+//     }
+//     File[] fs = new File[n];
+//     int j = 0;
+//     char slash = this.slash;
+//     for (int i = 0; i < 26; i++) {
+//         if (((ds >> i) & 1) != 0)
+//             fs[j++] = new File((char)('A' + i) + ":" + slash);
+//     }
+//     return fs;
+// }
     ngOnInit() {
+        let volume = 'A';
+        for (let i = 0; i < 26; i++) {
+            new Promise((resolve, reject) => {
+                let currentVolume = String.fromCharCode(volume.charCodeAt(0) + i) + ":";
+                fs.access(currentVolume, (err) => {
+                    if (!err) {
+                        //判断是否已经存在Library
+                        if (this.libraries.every((library) => !library.startsWith(currentVolume))) {
+                            this.availableLibraries.push(currentVolume);
+                        }
+                    }
+                })
+            })
+        }
     }
 
     updateInstallOption(app: App) {
@@ -92,6 +128,23 @@ export class AppDetailComponent implements OnInit {
         }
     }
 
+    async selectLibrary() {
+        if (this.installOption.installLibrary.startsWith('create_')) {
+            let volume = this.installOption.installLibrary.slice(7);
+            let library = path.join(volume, "MyCardLibrary");
+            try {
+                await this.installService.createDirectory(library);
+                this.installOption.installLibrary = library;
+                this.settingsService.addLibrary(library, true);
+            } catch (e) {
+                this.installOption.installLibrary = this.settingsService.getDefaultLibrary().path;
+                alert("无法创建指定目录");
+            }
+        } else {
+            this.settingsService.setDefaultLibrary({path: this.installOption.installLibrary, "default": true})
+        }
+    }
+
     selectDir() {
         let dir = remote.dialog.showOpenDialog({properties: ['openFile', 'openDirectory']});
         console.log(dir);

app/settings.sevices.ts

@@ -36,6 +36,28 @@ export class SettingsService {
         return this.libraries;
     }
 
+    addLibrary(libraryPath: string, isDefault: boolean) {
+
+        let libraries = this.getLibraries();
+        if (isDefault) {
+            libraries.forEach((l) => {
+                l.default = false;
+            });
+        }
+        libraries.push({"default": isDefault, path: libraryPath});
+        this.libraries = libraries;
+        localStorage.setItem(SettingsService.SETTING_LIBRARY, JSON.stringify(libraries));
+    }
+
+    setDefaultLibrary(library: Library) {
+        let libraries = this.getLibraries();
+        libraries.forEach((l) => {
+            l.default = library.path == l.path;
+        });
+        this.libraries = libraries;
+        localStorage.setItem(SettingsService.SETTING_LIBRARY, JSON.stringify(libraries));
+    }
+
     getDefaultLibrary(): Library {
         if (!this.libraries) {
             this.getLibraries()