Added delete command

Author: MCStreetguy

keymaps/snippet-injector.json

@@ -1,5 +1,6 @@
 {
   "atom-workspace": {
-    "ctrl-alt-o": "snippet-injector:create"
+    "ctrl-alt-o": "snippet-injector:create",
+    "ctrl-alt-i": "snippet-injector:insert"
   }
 }

lib/snippet-injector.js

@@ -19,7 +19,8 @@ export default {
     // Register command that toggles this view
     this.subscriptions.add(atom.commands.add('atom-workspace', {
       'snippet-injector:create': () => this.create(),
-      'snippet-injector:insert': () => this.insert()
+      'snippet-injector:insert': () => this.insert(),
+      'snippet-injector:delete': () => this.delete()
     }));
   },
 
@@ -41,15 +42,17 @@ export default {
       btnconfirm: 'Save snippet',
       btncancel: 'Cancel'
     },function(text){
-      var result = storage.store(new Snippet({
-        title: text,
-        tags: new Array(),
-        content: selection
-      }));
-      if(result) {
-        atom.notifications.addSuccess('Snippet "'+text+'" was saved successfully.', null);
-      } else {
-        atom.notifications.addError('An Error occured while saving the snippet "'+text+'".', null);
+      if(text !== null) {
+        var result = storage.store(new Snippet({
+          title: text,
+          tags: new Array(),
+          content: selection
+        }));
+        if(result) {
+          atom.notifications.addSuccess('Snippet "'+text+'" was saved successfully.', null);
+        } else {
+          atom.notifications.addError('An Error occured while saving the snippet "'+text+'".', null);
+        }
       }
     });
   },
@@ -74,18 +77,39 @@ export default {
         btncancel: 'Cancel',
         nothingfound: 'No Snippets found that match you search.'
       },function(element) {
-        var snippet = new Snippet(JSON.parse(storage.retrieveFile(element)));
-        atom.workspace.getActiveTextEditor().insertText(snippet.getContent(),{
-          select: true,
-          autoIndent: true,
-          autoIndentNewline: true,
-          autoDecreaseIndent: true,
-          normalizeLineEndings: true
-        });
-        atom.notifications.addInfo('Snippet \''+element+'\' was successfully inserted.', null);
+        if(element !== null) {
+          var snippet = new Snippet(JSON.parse(storage.retrieveFile(element)));
+          atom.workspace.getActiveTextEditor().insertText(snippet.getContent(),{
+            select: true,
+            autoIndent: true,
+            autoIndentNewline: true,
+            autoDecreaseIndent: true,
+            normalizeLineEndings: true
+          });
+          atom.notifications.addInfo('Snippet \''+element+'\' was successfully inserted.', null);
+        }
       });
     } else {
       atom.notifications.addWarning('No snippets found in the local storage directory.', null);
     }
+  },
+
+  delete() {
+    var storage = this.storage;
+    const deletePrompt = Util.promptDelete({
+      title: 'Delete a snippet',
+      placeholder: 'Title of the snippet that shall be deleted',
+      btnconfirm: 'Delete',
+      btncancel: 'Cancel',
+      suremsg: 'Sure?'
+    },function(element) {
+      if(element !== null) {
+        if(storage.deleteFile(element)) {
+          atom.notifications.addSuccess('Snippet \''+element+'\' was successfully deleted.', null);
+        } else {
+          atom.notifications.addWarning('Snippet \''+element+'\' could not be found. Is it spelled right?', null);
+        }
+      }
+    });
   }
 };

lib/storage.js

@@ -63,7 +63,8 @@ export default class Storage {
 
   deleteFile(snippetTitle) {
     if(fs.existsSync(this.storageDir+this.dir+snippetTitle.split(' ').join('-')+'.snippet.json')) {
-      return fs.unlinkSync(this.storageDir+this.dir+snippetTitle.split(' ').join('-')+'.snippet.json');
+      fs.unlinkSync(this.storageDir+this.dir+snippetTitle.split(' ').join('-')+'.snippet.json');
+      return true;
     } else {
       return false;
     }

lib/util.js

@@ -59,6 +59,7 @@ export default class Util {
       });
       $('#prompt-cancel').on('click',function(e) {
         modal.destroy();
+        callback(null);
       });
 
       modal.show();
@@ -131,6 +132,65 @@ export default class Util {
       });
       $('#prompt-cancel').on('click',function(e) {
         modal.destroy();
+        callback(null);
+      });
+
+      modal.show();
+    }
+  }
+
+  static promptDelete(options,callback) {
+    if(typeof options !== 'object') {
+      throw TypeError('Param \'options\' has to be an object.');
+    } else if(typeof callback !== 'function') {
+      throw TypeError('Param \'callback\' has to be a function.');
+    } else {
+      const deletePrompt = document.createElement('div');
+      deletePrompt.id = 'delete-prompt';
+
+      const modal = atom.workspace.addModalPanel({
+        item: deletePrompt,
+        visible: false
+      });
+
+      if(options.title !== undefined && options.title !== null) {
+        $('#delete-prompt').append('<h4 class="title">'+options.title+'</h4>');
+      }
+      var edit = atom.workspace.buildTextEditor({mini: true});
+      edit.setPlaceholderText(''+options.placeholder);
+      $('#delete-prompt').append(atom.views.getView(edit));
+      $('#delete-prompt').find('atom-text-editor').attr('id','prompt-input');
+      $('#delete-prompt').append('<button class="btn btn-error disabled" id="prompt-confirm">'+options.btnconfirm+'</button>\
+      <button class="btn btn-default" id="prompt-cancel">'+options.btncancel+'</button>');
+      edit.onDidChange(function() {
+        if((edit.getText() === '' || edit.getText() === ' ' || edit.getText() === null || edit.getText() === undefined)) {
+          if(!$('#prompt-confirm').hasClass('disabled')) {
+            $('#prompt-confirm').addClass('disabled');
+          }
+        } else {
+          if($('#prompt-confirm').hasClass('disabled')) {
+            $('#prompt-confirm').removeClass('disabled');
+          }
+        }
+      });
+      $('#prompt-confirm').on('click',function(e) {
+        if(!$(this).hasClass('disabled')) {
+          var text = edit.getText();
+          $('#delete-prompt').children().remove();
+          $('#delete-prompt').append('<h4 class="title">'+options.suremsg+'</h4>');
+          $('#delete-prompt').append('<button class="btn btn-error" id="prompt-confirm">'+options.btnconfirm+'</button>\
+          <button class="btn btn-default" id="prompt-cancel">'+options.btncancel+'</button>');
+
+          $('#prompt-confirm').off('click');
+          $('#prompt-confirm').on('click',function() {
+            modal.destroy();
+            callback(text);
+          });
+        }
+      });
+      $('#prompt-cancel').on('click',function(e) {
+        modal.destroy();
+        callback(null);
       });
 
       modal.show();

menus/snippet-injector.json

@@ -1,13 +1,23 @@
 {
   "context-menu": {
     "atom-text-editor": [
+      {
+        "type": "separator"
+      },
       {
         "label": "Create Snippet from selection",
         "command": "snippet-injector:create"
       },
       {
         "label": "Insert Snippet",
         "command": "snippet-injector:insert"
+      },
+      {
+        "label": "Delete Snippet",
+        "command": "snippet-injector:delete"
+      },
+      {
+        "type": "separator"
       }
     ]
   },
@@ -16,7 +26,7 @@
       "label": "Packages",
       "submenu": [
         {
-          "label": "snippet-injector",
+          "label": "Snippet Injector",
           "submenu": [
             {
               "label": "Create Snippet from selection",
@@ -25,6 +35,10 @@
             {
               "label": "Insert Snippet",
               "command": "snippet-injector:insert"
+            },
+            {
+              "label": "Delete Snippet",
+              "command": "snippet-injector:delete"
             }
           ]
         }