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Merge pull request #65 from Valik3201/feature/pagination
feat: kombinacja z paginacją
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| import localStorage from './localStorage.js'; | ||
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| const paginationSection = document.querySelector('.pagination'); | ||
| const paginationContainerPages = document.querySelector('.pagination_container-pages'); | ||
| const paginationContainerBackBtn = document.querySelector('.pagination_container-back'); | ||
| const paginationContainerEndBtn = document.querySelector('.pagination_container-end'); | ||
| const startButton = document.querySelector("button[name='startButton']"); | ||
| const previousButton = document.querySelector("button[name='previousButton']"); | ||
| const nextButton = document.querySelector("button[name='nextButton']"); | ||
| const endButton = document.querySelector("button[name='endButton']"); | ||
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| const shoppingList = JSON.parse(localStorage.getItem()) || []; | ||
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| const pageSize = 3; | ||
| let totalPages = Math.ceil(shoppingList.length / pageSize); | ||
| let currentPage = 1; | ||
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| for (let i = 1; i <= totalPages; i++) { | ||
| if (shoppingList.length <= 3) { | ||
| return; | ||
| } | ||
| const pageNumber = i; | ||
| const button = document.createElement('button'); | ||
| button.classList.add('pagination_btn'); | ||
| button.classList.add('pagination_btn--pages'); | ||
| button.textContent = i; | ||
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| activDisplayFlexOnElement(paginationContainerBackBtn); | ||
| activDisplayFlexOnElement(paginationContainerEndBtn); | ||
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| button.addEventListener('click', () => { | ||
| currentPage = pageNumber; | ||
| removeDisableforElement(startButton); | ||
| removeDisableforElement(endButton); | ||
| }); | ||
| paginationContainerPages.appendChild(button); | ||
| } | ||
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| paginationContainerPages.firstChild.classList.add('active'); | ||
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| paginationSection.addEventListener('click', handlerPaginationButtonsStartPreviousNextStart); | ||
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| function handlerPaginationButtonsStartPreviousNextStart(event) { | ||
| const activButton = document.querySelector('.active'); | ||
| console.log(event.target); | ||
| if (event.target.tagName !== 'BUTTON') { | ||
| return; | ||
| } | ||
|
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| switch (event.target) { | ||
| case previousButton: | ||
| if (currentPage > 1) { | ||
| currentPage--; | ||
| removeDisableforElement(endButton); | ||
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| activButton.classList.remove('active'); | ||
| activButton.previousElementSibling.classList.add('active'); | ||
| } | ||
| break; | ||
|
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| case nextButton: | ||
| if (currentPage < totalPages) { | ||
| currentPage++; | ||
| removeDisableforElement(startButton); | ||
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| activButton.classList.remove('active'); | ||
| activButton.nextElementSibling.classList.add('active'); | ||
| } | ||
| break; | ||
|
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| case startButton: | ||
| currentPage = 1; | ||
| addDisableforElement(startButton); | ||
| removeDisableforElement(endButton); | ||
| highlighteTheCurrentPage(paginationContainerPages.firstChild); | ||
| break; | ||
|
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| case endButton: | ||
| currentPage = totalPages; | ||
| addDisableforElement(endButton); | ||
| removeDisableforElement(startButton); | ||
| highlighteTheCurrentPage(paginationContainerPages.lastElementChild); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
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| paginationContainerPages.addEventListener('click', handleButtonPaginationContainerPages); | ||
|
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| function handleButtonPaginationContainerPages(event) { | ||
| if (event.target.tagName !== 'BUTTON') { | ||
| return; | ||
| } | ||
| highlighteTheCurrentPage(event.target); | ||
| } | ||
|
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| function removeDisableforElement(element) { | ||
| element.disabled = false; | ||
| } | ||
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| function addDisableforElement(element) { | ||
| element.disabled = true; | ||
| } | ||
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| function activDisplayFlexOnElement(element) { | ||
| element.style.display = 'flex'; | ||
| } | ||
|
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| function highlighteTheCurrentPage(element) { | ||
| const activButton = document.querySelector('.active'); | ||
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| if (activButton) { | ||
| activButton.classList.remove('active'); | ||
| } | ||
|
|
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| element.classList.add('active'); | ||
| } |
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