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BookStack/resources/assets/js/components/entity-selector.js
Dan Brown 0f7b0ad45a
Added ability to copy a page
In 'More' menu alongside move.
Allows you to move if you have permission to create within the new
target parent.
Closes #673
2018-04-14 18:00:16 +01:00

118 lines
3.9 KiB
JavaScript

class EntitySelector {
constructor(elem) {
this.elem = elem;
this.search = '';
this.lastClick = 0;
let entityTypes = elem.hasAttribute('entity-types') ? elem.getAttribute('entity-types') : 'page,book,chapter';
let entityPermission = elem.hasAttribute('entity-permission') ? elem.getAttribute('entity-permission') : 'view';
this.searchUrl = window.baseUrl(`/ajax/search/entities?types=${encodeURIComponent(entityTypes)}&permission=${encodeURIComponent(entityPermission)}`);
this.input = elem.querySelector('[entity-selector-input]');
this.searchInput = elem.querySelector('[entity-selector-search]');
this.loading = elem.querySelector('[entity-selector-loading]');
this.resultsContainer = elem.querySelector('[entity-selector-results]');
this.elem.addEventListener('click', this.onClick.bind(this));
let lastSearch = 0;
this.searchInput.addEventListener('input', event => {
lastSearch = Date.now();
this.showLoading();
setTimeout(() => {
if (Date.now() - lastSearch < 199) return;
this.searchEntities(this.searchInput.value);
}, 200);
});
this.searchInput.addEventListener('keydown', event => {
if (event.keyCode === 13) event.preventDefault();
});
this.showLoading();
this.initialLoad();
}
showLoading() {
this.loading.style.display = 'block';
this.resultsContainer.style.display = 'none';
}
hideLoading() {
this.loading.style.display = 'none';
this.resultsContainer.style.display = 'block';
}
initialLoad() {
window.$http.get(this.searchUrl).then(resp => {
this.resultsContainer.innerHTML = resp.data;
this.hideLoading();
})
}
searchEntities(searchTerm) {
this.input.value = '';
let url = this.searchUrl + `&term=${encodeURIComponent(searchTerm)}`;
window.$http.get(url).then(resp => {
this.resultsContainer.innerHTML = resp.data;
this.hideLoading();
});
}
isDoubleClick() {
let now = Date.now();
let answer = now - this.lastClick < 300;
this.lastClick = now;
return answer;
}
onClick(event) {
let t = event.target;
if (t.matches('.entity-list-item *')) {
event.preventDefault();
event.stopPropagation();
let item = t.closest('[data-entity-type]');
this.selectItem(item);
} else if (t.matches('[data-entity-type]')) {
this.selectItem(t)
}
}
selectItem(item) {
let isDblClick = this.isDoubleClick();
let type = item.getAttribute('data-entity-type');
let id = item.getAttribute('data-entity-id');
let isSelected = !item.classList.contains('selected') || isDblClick;
this.unselectAll();
this.input.value = isSelected ? `${type}:${id}` : '';
if (!isSelected) window.$events.emit('entity-select-change', null);
if (isSelected) {
item.classList.add('selected');
item.classList.add('primary-background');
}
if (!isDblClick && !isSelected) return;
let link = item.querySelector('.entity-list-item-link').getAttribute('href');
let name = item.querySelector('.entity-list-item-name').textContent;
let data = {id: Number(id), name: name, link: link};
if (isDblClick) window.$events.emit('entity-select-confirm', data);
if (isSelected) window.$events.emit('entity-select-change', data);
}
unselectAll() {
let selected = this.elem.querySelectorAll('.selected');
for (let i = 0, len = selected.length; i < len; i++) {
selected[i].classList.remove('selected');
selected[i].classList.remove('primary-background');
}
}
}
module.exports = EntitySelector;