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<?php |
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/** |
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* webtrees: online genealogy |
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* Copyright (C) 2017 webtrees development team |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace Fisharebest\Webtrees\Report; |
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use TCPDF; |
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/** |
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* WT Report PDF Class |
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* |
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* This class inherits from the TCPDF class and is used to generate the PDF document |
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*/ |
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class ReportTcpdf extends TCPDF { |
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/** @var ReportBaseElement[] Array of elements in the header */ |
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public $headerElements = []; |
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/** @var ReportBaseElement[] Array of elements in the page header */ |
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public $pageHeaderElements = []; |
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/** @var ReportBaseElement[] Array of elements in the footer */ |
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public $footerElements = []; |
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/** @var ReportBaseElement[] Array of elements in the body */ |
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public $bodyElements = []; |
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/** @var ReportBaseFootnote[] Array of elements in the footer notes */ |
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public $printedfootnotes = []; |
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/** @var string Currently used style name */ |
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public $currentStyle; |
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/** @var int The last cell height */ |
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public $lastCellHeight = 0; |
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/** @var int The largest font size within a TextBox to calculate the height */ |
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public $largestFontHeight = 0; |
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/** @var int The last pictures page number */ |
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public $lastpicpage = 0; |
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/** @var ReportBase The current report. */ |
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public $wt_report; |
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/** |
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* PDF Header -PDF |
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*/ |
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public function header() { |
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foreach ($this->headerElements as $element) { |
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if (is_object($element)) { |
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$element->render($this); |
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} elseif (is_string($element) && $element == 'footnotetexts') { |
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$this->footnotes(); |
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} elseif (is_string($element) && $element == 'addpage') { |
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$this->newPage(); |
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} |
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} |
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foreach ($this->pageHeaderElements as $element) { |
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if (is_object($element)) { |
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$element->render($this); |
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} elseif (is_string($element) && $element == 'footnotetexts') { |
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$this->footnotes(); |
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} elseif (is_string($element) && $element == 'addpage') { |
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$this->newPage(); |
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} |
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} |
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} |
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/** |
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* PDF Body -PDF |
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*/ |
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public function body() { |
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$this->AddPage(); |
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foreach ($this->bodyElements as $key => $element) { |
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if (is_object($element)) { |
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$element->render($this); |
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} elseif (is_string($element) && $element == 'footnotetexts') { |
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$this->footnotes(); |
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} elseif (is_string($element) && $element == 'addpage') { |
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$this->newPage(); |
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} |
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// Delete used elements in hope to reduce 'some' memory usage |
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unset($this->bodyElements[$key]); |
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} |
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} |
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/** |
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* PDF Footnotes -PDF |
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*/ |
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public function footnotes() { |
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foreach ($this->printedfootnotes as $element) { |
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if (($this->GetY() + $element->getFootnoteHeight($this)) > $this->getPageHeight()) { |
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$this->AddPage(); |
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} |
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$element->renderFootnote($this); |
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if ($this->GetY() > $this->getPageHeight()) { |
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$this->AddPage(); |
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} |
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} |
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} |
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/** |
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* PDF Footer -PDF |
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*/ |
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View Code Duplication |
public function footer() { |
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foreach ($this->footerElements as $element) { |
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if (is_object($element)) { |
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$element->render($this); |
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} elseif (is_string($element) && $element == 'footnotetexts') { |
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$this->footnotes(); |
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} elseif (is_string($element) && $element == 'addpage') { |
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$this->newPage(); |
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} |
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} |
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} |
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/** |
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* Add an element to the Header -PDF |
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* |
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* @param object|string $element |
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* |
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* @return int The number of the Header elements |
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*/ |
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public function addHeader($element) { |
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$this->headerElements[] = $element; |
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return count($this->headerElements) - 1; |
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} |
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/** |
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* Add an element to the Page Header -PDF |
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* |
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* @param object|string $element |
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* |
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* @return int The number of the Page Header elements |
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*/ |
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public function addPageHeader($element) { |
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$this->pageHeaderElements[] = $element; |
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return count($this->pageHeaderElements) - 1; |
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} |
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/** |
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* Add an element to the Body -PDF |
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* |
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* @param object|string $element |
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* |
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* @return int The number of the Body elements |
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*/ |
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public function addBody($element) { |
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$this->bodyElements[] = $element; |
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return count($this->bodyElements) - 1; |
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} |
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/** |
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* Add an element to the Footer -PDF |
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* |
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* @param object|string $element |
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* |
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* @return int The number of the Footer elements |
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*/ |
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public function addFooter($element) { |
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$this->footerElements[] = $element; |
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return count($this->footerElements) - 1; |
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} |
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/** |
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* Remove the header. |
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* |
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* @param $index |
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*/ |
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public function removeHeader($index) { |
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unset($this->headerElements[$index]); |
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} |
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/** |
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* Remove the page header. |
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* |
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* @param $index |
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*/ |
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public function removePageHeader($index) { |
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unset($this->pageHeaderElements[$index]); |
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} |
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/** |
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* Remove the body. |
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* |
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* @param $index |
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*/ |
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public function removeBody($index) { |
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unset($this->bodyElements[$index]); |
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} |
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/** |
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* Remove the footer. |
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* |
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* @param $index |
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*/ |
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public function removeFooter($index) { |
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unset($this->footerElements[$index]); |
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} |
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/** |
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* Clear the Header -PDF |
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*/ |
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public function clearHeader() { |
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unset($this->headerElements); |
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$this->headerElements = []; |
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} |
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/** |
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* Clear the Page Header -PDF |
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*/ |
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public function clearPageHeader() { |
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unset($this->pageHeaderElements); |
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$this->pageHeaderElements = []; |
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} |
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/** |
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* Set the report. |
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* |
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* @param $r |
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*/ |
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public function setReport($r) { |
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$this->wt_report = $r; |
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} |
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/** |
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* Get the currently used style name -PDF |
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* |
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* @return string |
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*/ |
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public function getCurrentStyle() { |
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return $this->currentStyle; |
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} |
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/** |
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* Setup a style for usage -PDF |
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* |
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* @param string $s Style name |
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*/ |
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public function setCurrentStyle($s) { |
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$this->currentStyle = $s; |
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$style = $this->wt_report->getStyle($s); |
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$this->SetFont($style['font'], $style['style'], $style['size']); |
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} |
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/** |
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* Get the style -PDF |
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* |
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* @param string $s Style name |
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* |
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* @return array |
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*/ |
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public function getStyle($s) { |
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if (!isset($this->wt_report->Styles[$s])) { |
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$s = $this->getCurrentStyle(); |
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$this->wt_report->Styles[$s] = $s; |
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} |
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return $this->wt_report->Styles[$s]; |
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} |
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/** |
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* Add margin when static horizontal position is used -PDF |
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* RTL supported |
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* |
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* @param float $x Static position |
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* |
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* @return float |
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*/ |
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public function addMarginX($x) { |
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$m = $this->getMargins(); |
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if ($this->getRTL()) { |
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$x += $m['right']; |
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} else { |
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$x += $m['left']; |
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} |
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$this->SetX($x); |
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return $x; |
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} |
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/** |
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* Get the maximum line width to draw from the curren position -PDF |
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* RTL supported |
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* |
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* @return float |
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*/ |
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public function getMaxLineWidth() { |
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$m = $this->getMargins(); |
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if ($this->getRTL()) { |
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return ($this->getRemainingWidth() + $m['right']); |
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} else { |
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return ($this->getRemainingWidth() + $m['left']); |
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} |
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} |
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/** |
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* Get the height of the footnote. |
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* |
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* @return int |
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*/ |
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public function getFootnotesHeight() { |
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$h = 0; |
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foreach ($this->printedfootnotes as $element) { |
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$h += $element->getHeight($this); |
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} |
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return $h; |
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} |
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/** |
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* Returns the the current font size height -PDF |
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* |
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* @return int |
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*/ |
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View Code Duplication |
public function getCurrentStyleHeight() { |
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if (empty($this->currentStyle)) { |
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return $this->wt_report->defaultFontSize; |
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} |
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$style = $this->wt_report->getStyle($this->currentStyle); |
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return $style['size']; |
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} |
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/** |
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* Checks the Footnote and numbers them |
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* |
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* @param object $footnote |
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* |
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* @return bool false if not numbered befor | object if already numbered |
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*/ |
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View Code Duplication |
public function checkFootnote($footnote) { |
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$ct = count($this->printedfootnotes); |
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$val = $footnote->getValue(); |
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$i = 0; |
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while ($i < $ct) { |
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if ($this->printedfootnotes[$i]->getValue() == $val) { |
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// If this footnote already exist then set up the numbers for this object |
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$footnote->setNum($i + 1); |
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$footnote->setAddlink($i + 1); |
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return $this->printedfootnotes[$i]; |
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} |
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$i++; |
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} |
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// If this Footnote has not been set up yet |
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$footnote->setNum($ct + 1); |
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$footnote->setAddlink($this->AddLink()); |
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$this->printedfootnotes[] = $footnote; |
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return false; |
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} |
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/** |
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* Used this function instead of AddPage() |
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* This function will make sure that images will not be overwritten |
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*/ |
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public function newPage() { |
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if ($this->lastpicpage > $this->getPage()) { |
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$this->setPage($this->lastpicpage); |
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} |
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$this->AddPage(); |
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} |
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/** |
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* Add a page if needed -PDF |
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* |
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* @param int $height Cell height |
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* |
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* @return bool true in case of page break, false otherwise |
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*/ |
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public function checkPageBreakPDF($height) { |
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return $this->checkPageBreak($height); |
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} |
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/** |
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* Returns the remaining width between the current position and margins -PDF |
393
|
|
|
* |
394
|
|
|
* @return float Remaining width |
395
|
|
|
*/ |
396
|
|
|
public function getRemainingWidthPDF() { |
397
|
|
|
return $this->getRemainingWidth(); |
398
|
|
|
} |
399
|
|
|
} |
400
|
|
|
|
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: