265 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			265 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import extend from 'extend';
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import Delta from 'quill-delta';
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import Emitter from '../core/emitter';
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import Keyboard from '../modules/keyboard';
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import Theme from '../core/theme';
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import ColorPicker from '../ui/color-picker';
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import IconPicker from '../ui/icon-picker';
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import Picker from '../ui/picker';
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import Tooltip from '../ui/tooltip';
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const ALIGNS = [ false, 'center', 'right', 'justify' ];
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const COLORS = [
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  "#000000", "#e60000", "#ff9900", "#ffff00", "#008a00", "#0066cc", "#9933ff",
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  "#ffffff", "#facccc", "#ffebcc", "#ffffcc", "#cce8cc", "#cce0f5", "#ebd6ff",
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  "#bbbbbb", "#f06666", "#ffc266", "#ffff66", "#66b966", "#66a3e0", "#c285ff",
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  "#888888", "#a10000", "#b26b00", "#b2b200", "#006100", "#0047b2", "#6b24b2",
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  "#444444", "#5c0000", "#663d00", "#666600", "#003700", "#002966", "#3d1466"
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];
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const FONTS = [ false, 'serif', 'monospace' ];
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const HEADERS = [ '1', '2', '3', false ];
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const SIZES = [ 'small', false, 'large', 'huge' ];
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class BaseTheme extends Theme {
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  constructor(quill, options) {
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    super(quill, options);
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    let listener = (e) => {
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      if (!document.body.contains(quill.root)) {
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        return document.body.removeEventListener('click', listener);
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      }
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      if (this.tooltip != null && !this.tooltip.root.contains(e.target) &&
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          document.activeElement !== this.tooltip.textbox && !this.quill.hasFocus()) {
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        this.tooltip.hide();
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      }
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      if (this.pickers != null) {
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        this.pickers.forEach(function(picker) {
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          if (!picker.container.contains(e.target)) {
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            picker.close();
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          }
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        });
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      }
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    };
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    quill.emitter.listenDOM('click', document.body, listener);
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  }
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  addModule(name) {
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    let module = super.addModule(name);
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    if (name === 'toolbar') {
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      this.extendToolbar(module);
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    }
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    return module;
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  }
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  buildButtons(buttons, icons) {
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    buttons.forEach((button) => {
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      let className = button.getAttribute('class') || '';
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      className.split(/\s+/).forEach((name) => {
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        if (!name.startsWith('ql-')) return;
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        name = name.slice('ql-'.length);
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        if (icons[name] == null) return;
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        if (name === 'direction') {
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          button.innerHTML = icons[name][''] + icons[name]['rtl'];
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        } else if (typeof icons[name] === 'string') {
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          button.innerHTML = icons[name];
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        } else {
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          let value = button.value || '';
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          if (value != null && icons[name][value]) {
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            button.innerHTML = icons[name][value];
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          }
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        }
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      });
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    });
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  }
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  buildPickers(selects, icons) {
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    this.pickers = selects.map((select) => {
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      if (select.classList.contains('ql-align')) {
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        if (select.querySelector('option') == null) {
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          fillSelect(select, ALIGNS);
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        }
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        return new IconPicker(select, icons.align);
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      } else if (select.classList.contains('ql-background') || select.classList.contains('ql-color')) {
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        let format = select.classList.contains('ql-background') ? 'background' : 'color';
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        if (select.querySelector('option') == null) {
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          fillSelect(select, COLORS, format === 'background' ? '#ffffff' : '#000000');
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        }
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        return new ColorPicker(select, icons[format]);
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      } else {
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        if (select.querySelector('option') == null) {
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          if (select.classList.contains('ql-font')) {
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            fillSelect(select, FONTS);
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          } else if (select.classList.contains('ql-header')) {
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            fillSelect(select, HEADERS);
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          } else if (select.classList.contains('ql-size')) {
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            fillSelect(select, SIZES);
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          }
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        }
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        return new Picker(select);
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      }
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    });
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    let update = () => {
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      this.pickers.forEach(function(picker) {
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        picker.update();
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      });
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    };
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    this.quill.on(Emitter.events.EDITOR_CHANGE, update);
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  }
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}
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BaseTheme.DEFAULTS = extend(true, {}, Theme.DEFAULTS, {
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  modules: {
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    toolbar: {
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      handlers: {
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        formula: function() {
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          this.quill.theme.tooltip.edit('formula');
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        },
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        image: function() {
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          let fileInput = this.container.querySelector('input.ql-image[type=file]');
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          if (fileInput == null) {
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            fileInput = document.createElement('input');
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            fileInput.setAttribute('type', 'file');
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            fileInput.setAttribute('accept', 'image/png, image/gif, image/jpeg, image/bmp, image/x-icon');
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            fileInput.classList.add('ql-image');
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            fileInput.addEventListener('change', () => {
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              if (fileInput.files != null && fileInput.files[0] != null) {
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                let reader = new FileReader();
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                reader.onload = (e) => {
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                  let range = this.quill.getSelection(true);
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                  this.quill.updateContents(new Delta()
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                    .retain(range.index)
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                    .delete(range.length)
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                    .insert({ image: e.target.result })
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                  , Emitter.sources.USER);
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                  this.quill.setSelection(range.index + 1, Emitter.sources.SILENT);
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                  fileInput.value = "";
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                }
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                reader.readAsDataURL(fileInput.files[0]);
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              }
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            });
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            this.container.appendChild(fileInput);
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          }
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          fileInput.click();
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        },
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        video: function() {
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          this.quill.theme.tooltip.edit('video');
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        }
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      }
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    }
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  }
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});
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class BaseTooltip extends Tooltip {
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  constructor(quill, boundsContainer) {
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    super(quill, boundsContainer);
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    this.textbox = this.root.querySelector('input[type="text"]');
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    this.listen();
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  }
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  listen() {
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    this.textbox.addEventListener('keydown', (event) => {
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      if (Keyboard.match(event, 'enter')) {
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        this.save();
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        event.preventDefault();
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      } else if (Keyboard.match(event, 'escape')) {
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        this.cancel();
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        event.preventDefault();
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      }
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    });
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  }
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  cancel() {
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    this.hide();
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  }
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  edit(mode = 'link', preview = null) {
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    this.root.classList.remove('ql-hidden');
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    this.root.classList.add('ql-editing');
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    if (preview != null) {
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      this.textbox.value = preview;
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    } else if (mode !== this.root.getAttribute('data-mode')) {
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      this.textbox.value = '';
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    }
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    this.position(this.quill.getBounds(this.quill.selection.savedRange));
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    this.textbox.select();
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    this.textbox.setAttribute('placeholder', this.textbox.getAttribute(`data-${mode}`) || '');
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    this.root.setAttribute('data-mode', mode);
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  }
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  restoreFocus() {
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    let scrollTop = this.quill.scrollingContainer.scrollTop;
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    this.quill.focus();
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    this.quill.scrollingContainer.scrollTop = scrollTop;
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  }
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  save() {
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    let value = this.textbox.value;
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    switch(this.root.getAttribute('data-mode')) {
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      case 'link': {
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        let scrollTop = this.quill.root.scrollTop;
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        if (this.linkRange) {
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          this.quill.formatText(this.linkRange, 'link', value, Emitter.sources.USER);
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          delete this.linkRange;
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        } else {
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          this.restoreFocus();
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          this.quill.format('link', value, Emitter.sources.USER);
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        }
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        this.quill.root.scrollTop = scrollTop;
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        break;
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      }
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      case 'video': {
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        value = extractVideoUrl(value);
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      } // eslint-disable-next-line no-fallthrough
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      case 'formula': {
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        if (!value) break;
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        let range = this.quill.getSelection(true);
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        if (range != null) {
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          let index = range.index + range.length;
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          this.quill.insertEmbed(index, this.root.getAttribute('data-mode'), value, Emitter.sources.USER);
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          if (this.root.getAttribute('data-mode') === 'formula') {
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            this.quill.insertText(index + 1, ' ', Emitter.sources.USER);
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          }
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          this.quill.setSelection(index + 2, Emitter.sources.USER);
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        }
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        break;
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      }
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      default:
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    }
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    this.textbox.value = '';
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    this.hide();
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  }
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}
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function extractVideoUrl(url) {
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  let match = url.match(/^(?:(https?):\/\/)?(?:(?:www|m)\.)?youtube\.com\/watch.*v=([a-zA-Z0-9_-]+)/) ||
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              url.match(/^(?:(https?):\/\/)?(?:(?:www|m)\.)?youtu\.be\/([a-zA-Z0-9_-]+)/);
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  if (match) {
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    return (match[1] || 'https') + '://www.youtube.com/embed/' + match[2] + '?showinfo=0';
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  }
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  if (match = url.match(/^(?:(https?):\/\/)?(?:www\.)?vimeo\.com\/(\d+)/)) {  // eslint-disable-line no-cond-assign
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    return (match[1] || 'https') + '://player.vimeo.com/video/' + match[2] + '/';
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  }
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  return url;
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}
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function fillSelect(select, values, defaultValue = false) {
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  values.forEach(function(value) {
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    let option = document.createElement('option');
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    if (value === defaultValue) {
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      option.setAttribute('selected', 'selected');
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    } else {
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      option.setAttribute('value', value);
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    }
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    select.appendChild(option);
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  });
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}
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export { BaseTooltip, BaseTheme as default };
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