DragAndDrop.handleDragLeave - Code Metrics - Inspection of "master" - nastoletni/code - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( f40fe1...c58291 )

by Albert

created 2017-06-23 14:37 UTC

DragAndDrop.handleDragLeave A

↳ Parent: web/app.js

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
c	1
b	0
f	0
nc	1
nop	0
dl	0
loc	9
rs	9.6666

1 Function

Rating	Name	Duplication	Size	Complexity
A		0	7	2

const Fieldset = {
  LAST_FORM_QUERY: '.code-form--file:last-of-type',

  addNew() {
    const lastForm = document.querySelector(this.LAST_FORM_QUERY);
    const newForm = this.getElement();
    const formsWrapper = lastForm.parentNode;

    formsWrapper.insertBefore(newForm, lastForm.nextSibling);
  },

  getElement() {
    const index = this.getNextIndex();
    const fieldset = document.createElement('fieldset');
    fieldset.setAttribute('class', 'code-form--file');
    fieldset.setAttribute('data-index', index);

    fieldset.innerHTML =
      `<label class="code-form--label" for="name[${index}]">Nazwa pliku (opcjonalna)</label>
       <input type="text" id="name[${index}]" name="name[${index}]" class="code-form--control">
       <label for="content[${index}]" class="code-form--label">Treść pliku</label>
       <textarea name="content[${index}]" id="content[${index}]" rows="10" class="code-form--control code-form--control__textarea"></textarea>`;

    return fieldset;
  },

  getNextIndex() {
    const currentIndex = parseInt(document.querySelector(this.LAST_FORM_QUERY).getAttribute('data-index'), 10);

    return currentIndex + 1;
  },
};

const NewFormButton = {
  BUTTON_QUERY: '#new-file',

  init() {
    const button = document.querySelector(this.BUTTON_QUERY);
    button.addEventListener('click', () => this.onClick());
  },

  onClick() {
    Fieldset.addNew();
  },
};

const DragAndDrop = {
  FILE_FORM_QUERY: '.code-form--file',
  OVERLAY_WRAPPER_QUERY: '.main',

  init() {
    this.lastTarget = null;

    this.appendOverlay();
    this.handleDragEnter();
    this.handleDragLeave();
    this.handleDragOver();
    this.handleDrop();
  },

  handleDragEnter() {
    window.addEventListener('dragenter', (event) => {
      if (this.isFile(event)) {
        this.lastTarget = event.target;
        this.showOverlay();
      }
    });
  },

  handleDragLeave() {
    window.addEventListener('dragleave', (event) => {
      event.preventDefault();

      if (event.target === this.lastTarget) {
        this.hideOverlay();
      }
    });
  },

  handleDragOver() {
    window.addEventListener('dragover', (event) => {
      event.preventDefault();
    });
  },

  handleDrop() {
    window.addEventListener('drop', (event) => {
      event.preventDefault();
      this.hideOverlay();

      const files = [...event.dataTransfer.files]
          .filter(file => this.isReadable(file));

      if (files.length === 0) {
        return;
      }

      const fieldsetsToCreateNumber = files.length - this.getEmptyFieldsets().length;
      this.createNewFieldsets(fieldsetsToCreateNumber);

      const emptyFieldsets = this.getEmptyFieldsets();
      emptyFieldsets.forEach((fieldset, index) => this.fillFieldset(fieldset, files[index]))
    });
  },

  createNewFieldsets(number) {
    for(let i = 0; i < number; i++) {
      Fieldset.addNew();
    }
  },

  fillFieldset(fieldset, file) {
    const input = fieldset.querySelector('input');
    const textarea = fieldset.querySelector('textarea');

    input.value = this.getFileName(file);

    this.getFileContent(file).then(content => {
      textarea.value = content;
    });
  },

  getEmptyFieldsets() {
    const fieldsets = [...document.querySelectorAll(this.FILE_FORM_QUERY)];

    return fieldsets.filter(fieldset => this.isFieldsetEmpty(fieldset));
  },

  isFieldsetEmpty(fieldset) {
    const inputValue = fieldset.querySelector('input').value;
    const textareaValue = fieldset.querySelector('textarea').value;

    return inputValue + textareaValue === '';
  },

  isFile(event) {
    return event.dataTransfer.types.some(type => type === 'Files');
  },

  isReadable(file) {
    // Is it empty string, application/* or text/*?
    return /(^$|application\/.+|text\/.+)/.exec(file.type);
  },

  getFileName(file) {
    return file.name;
  },

  getFileContent(file) {
    return new Promise(resolve => {
      const fileReader = new FileReader();


      fileReader.readAsText(file);
      fileReader.onload = (event) => {
        resolve(event.target.result);
      };
    });
  },

  getOverlayElement() {
    const overlay =  document.createElement('div');
    overlay.classList.add('drop-overlay');
    overlay.innerHTML = `<p class="drop-overlay--text">Upuść pliki tutaj</p>`;

    return overlay;
  },

  appendOverlay() {
    const overlayWrapper = document.querySelector(this.OVERLAY_WRAPPER_QUERY);
    this.overlay = this.getOverlayElement();

    overlayWrapper.appendChild(this.overlay);
  },

  showOverlay() {
    this.overlay.classList.add('drop-overlay__active');
  },

  hideOverlay() {
    this.overlay.classList.remove('drop-overlay__active');
  },
};

DragAndDrop.init();
NewFormButton.init();


1			const Fieldset = {
2			LAST_FORM_QUERY: '.code-form--file:last-of-type',
3
4			addNew() {
5			const lastForm = document.querySelector(this.LAST_FORM_QUERY);
6			const newForm = this.getElement();
7			const formsWrapper = lastForm.parentNode;
8
9			formsWrapper.insertBefore(newForm, lastForm.nextSibling);
10			},
11
12			getElement() {
13			const index = this.getNextIndex();
14			const fieldset = document.createElement('fieldset');
15			fieldset.setAttribute('class', 'code-form--file');
16			fieldset.setAttribute('data-index', index);
17
18			fieldset.innerHTML =
19			`<label class="code-form--label" for="name[${index}]">Nazwa pliku (opcjonalna)</label>
20			<input type="text" id="name[${index}]" name="name[${index}]" class="code-form--control">
21			<label for="content[${index}]" class="code-form--label">Treść pliku</label>
22			<textarea name="content[${index}]" id="content[${index}]" rows="10" class="code-form--control code-form--control__textarea"></textarea>`;
23
24			return fieldset;
25			},
26
27			getNextIndex() {
28			const currentIndex = parseInt(document.querySelector(this.LAST_FORM_QUERY).getAttribute('data-index'), 10);
29
30			return currentIndex + 1;
31			},
32			};
33
34			const NewFormButton = {
35			BUTTON_QUERY: '#new-file',
36
37			init() {
38			const button = document.querySelector(this.BUTTON_QUERY);
39			button.addEventListener('click', () => this.onClick());
40			},
41
42			onClick() {
43			Fieldset.addNew();
44			},
45			};
46
47			const DragAndDrop = {
48			FILE_FORM_QUERY: '.code-form--file',
49			OVERLAY_WRAPPER_QUERY: '.main',
50
51			init() {
52			this.lastTarget = null;
53
54			this.appendOverlay();
55			this.handleDragEnter();
56			this.handleDragLeave();
57			this.handleDragOver();
58			this.handleDrop();
59			},
60
61			handleDragEnter() {
62			window.addEventListener('dragenter', (event) => {
63			if (this.isFile(event)) {
64			this.lastTarget = event.target;
65			this.showOverlay();
66			}
67			});
68			},
69
70			handleDragLeave() {
71			window.addEventListener('dragleave', (event) => {
72			event.preventDefault();
73
74			if (event.target === this.lastTarget) {
75			this.hideOverlay();
76			}
77			});
78			},
79
80			handleDragOver() {
81			window.addEventListener('dragover', (event) => {
82			event.preventDefault();
83			});
84			},
85
86			handleDrop() {
87			window.addEventListener('drop', (event) => {
88			event.preventDefault();
89			this.hideOverlay();
90
91			const files = [...event.dataTransfer.files]
92			.filter(file => this.isReadable(file));
93
94			if (files.length === 0) {
95			return;
96			}
97
98			const fieldsetsToCreateNumber = files.length - this.getEmptyFieldsets().length;
99			this.createNewFieldsets(fieldsetsToCreateNumber);
100
101			const emptyFieldsets = this.getEmptyFieldsets();
102			emptyFieldsets.forEach((fieldset, index) => this.fillFieldset(fieldset, files[index]))
103			});
104			},
105
106			createNewFieldsets(number) {
107			for(let i = 0; i < number; i++) {
108			Fieldset.addNew();
109			}
110			},
111
112			fillFieldset(fieldset, file) {
113			const input = fieldset.querySelector('input');
114			const textarea = fieldset.querySelector('textarea');
115
116			input.value = this.getFileName(file);
117
118			this.getFileContent(file).then(content => {
119			textarea.value = content;
120			});
121			},
122
123			getEmptyFieldsets() {
124			const fieldsets = [...document.querySelectorAll(this.FILE_FORM_QUERY)];
125
126			return fieldsets.filter(fieldset => this.isFieldsetEmpty(fieldset));
127			},
128
129			isFieldsetEmpty(fieldset) {
130			const inputValue = fieldset.querySelector('input').value;
131			const textareaValue = fieldset.querySelector('textarea').value;
132
133			return inputValue + textareaValue === '';
134			},
135
136			isFile(event) {
137			return event.dataTransfer.types.some(type => type === 'Files');
138			},
139
140			isReadable(file) {
141			// Is it empty string, application/* or text/*?
142			return /(^$\|application\/.+\|text\/.+)/.exec(file.type);
143			},
144
145			getFileName(file) {
146			return file.name;
147			},
148
149			getFileContent(file) {
150			return new Promise(resolve => {
151			const fileReader = new FileReader();
			0 ignored issues – show Bug introduced 2017-06-23 14:39 UTC by Report Bug Copy Issue Report The variable `FileReader` seems to be never declared. If this is a global, consider adding a `/** global: FileReader */` comment. This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed. To learn more about declaring variables in Javascript, see the MDN. Loading history...
152
153			fileReader.readAsText(file);
154			fileReader.onload = (event) => {
155			resolve(event.target.result);
156			};
157			});
158			},
159
160			getOverlayElement() {
161			const overlay = document.createElement('div');
162			overlay.classList.add('drop-overlay');
163			overlay.innerHTML = `<p class="drop-overlay--text">Upuść pliki tutaj</p>`;
164
165			return overlay;
166			},
167
168			appendOverlay() {
169			const overlayWrapper = document.querySelector(this.OVERLAY_WRAPPER_QUERY);
170			this.overlay = this.getOverlayElement();
171
172			overlayWrapper.appendChild(this.overlay);
173			},
174
175			showOverlay() {
176			this.overlay.classList.add('drop-overlay__active');
177			},
178
179			hideOverlay() {
180			this.overlay.classList.remove('drop-overlay__active');
181			},
182			};
183
184			DragAndDrop.init();
185			NewFormButton.init();
186

nastoletni / code

Push — master ( f40fe1...c58291 )

DragAndDrop.handleDragLeave A

Complexity

Size

Duplication

Importance

1 Function

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