Java tutorial
/** * OpenKM, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2015 Paco Avila & Josep Llort * * No bytes were intentionally harmed during the development of this application. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.openkm.frontend.client.widget.finddocument; import java.util.HashMap; import java.util.Iterator; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.DoubleClickEvent; import com.google.gwt.event.dom.client.DoubleClickHandler; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.event.dom.client.KeyUpHandler; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.DialogBox; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.HasAlignment; import com.google.gwt.user.client.ui.HasHorizontalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.ScrollPanel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.VerticalPanel; import com.openkm.frontend.client.Main; import com.openkm.frontend.client.bean.GWTDocument; import com.openkm.frontend.client.bean.GWTPropertyParams; import com.openkm.frontend.client.bean.GWTQueryParams; import com.openkm.frontend.client.bean.GWTQueryResult; import com.openkm.frontend.client.bean.GWTResultSet; import com.openkm.frontend.client.constants.ui.UIDesktopConstants; import com.openkm.frontend.client.service.OKMSearchService; import com.openkm.frontend.client.service.OKMSearchServiceAsync; import com.openkm.frontend.client.util.CommonUI; import com.openkm.frontend.client.util.EventUtils; import com.openkm.frontend.client.util.Util; /** * FindDocumentSelectPopup * * @author jllort * */ public class FindDocumentSelectPopup extends DialogBox { private final OKMSearchServiceAsync searchService = (OKMSearchServiceAsync) GWT.create(OKMSearchService.class); private VerticalPanel vPanel; private HorizontalPanel hPanel; public ScrollPanel scrollDocumentPanel; private Button cancelButton; private Button actionButton; public Status status; private TextBox keyword; private FlexTable documentTable; private int selectedRow = -1; /** * FindDocumentSelectPopup */ public FindDocumentSelectPopup() { // Establishes auto-close when click outside super(false, true); status = new Status(); status.setStyleName("okm-StatusPopup"); vPanel = new VerticalPanel(); vPanel.setWidth("700"); vPanel.setHeight("350"); hPanel = new HorizontalPanel(); scrollDocumentPanel = new ScrollPanel(); scrollDocumentPanel.setStyleName("okm-Popup-text"); cancelButton = new Button(Main.i18n("button.close"), new ClickHandler() { @Override public void onClick(ClickEvent event) { hide(); } }); actionButton = new Button(Main.i18n("search.result.menu.go.document"), new ClickHandler() { @Override public void onClick(ClickEvent event) { String docPath = documentTable.getText(selectedRow, 1); CommonUI.openPath(Util.getParent(docPath), docPath); hide(); } }); keyword = new TextBox(); keyword.setWidth("692"); keyword.addKeyUpHandler(new KeyUpHandler() { @Override public void onKeyUp(KeyUpEvent event) { if (keyword.getText().length() >= 3 && !EventUtils.isNavigationKey(event.getNativeKeyCode()) && !EventUtils.isModifierKey(event.getNativeKeyCode())) { GWTQueryParams gwtParams = new GWTQueryParams(); int actualView = Main.get().mainPanel.desktop.navigator.stackPanel.getStackIndex(); switch (actualView) { case UIDesktopConstants.NAVIGATOR_TAXONOMY: gwtParams.setPath(Main.get().taxonomyRootFolder.getPath()); break; case UIDesktopConstants.NAVIGATOR_TEMPLATES: gwtParams.setPath(Main.get().templatesRootFolder.getPath()); break; case UIDesktopConstants.NAVIGATOR_PERSONAL: gwtParams.setPath(Main.get().personalRootFolder.getPath()); break; case UIDesktopConstants.NAVIGATOR_MAIL: gwtParams.setPath(Main.get().mailRootFolder.getPath()); break; case UIDesktopConstants.NAVIGATOR_TRASH: gwtParams.setPath(Main.get().trashRootFolder.getPath()); break; } gwtParams.setMimeType(""); gwtParams.setKeywords(""); gwtParams.setMimeType(""); gwtParams.setName(keyword.getText() + "*"); gwtParams.setAuthor(""); gwtParams.setMailFrom(""); gwtParams.setMailTo(""); gwtParams.setMailSubject(""); gwtParams.setOperator(GWTQueryParams.OPERATOR_AND); gwtParams.setLastModifiedFrom(null); gwtParams.setLastModifiedTo(null); gwtParams.setDomain(GWTQueryParams.DOCUMENT); gwtParams.setProperties(new HashMap<String, GWTPropertyParams>()); find(gwtParams); } else { removeAllRows(); } } }); documentTable = new FlexTable(); documentTable.setWidth("100%"); documentTable.setCellPadding(2); documentTable.setCellSpacing(0); documentTable.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { markSelectedRow(documentTable.getCellForEvent(event).getRowIndex()); evaluateEnableAction(); } }); documentTable.addDoubleClickHandler(new DoubleClickHandler() { @Override public void onDoubleClick(DoubleClickEvent event) { String docPath = documentTable.getText(selectedRow, 1); CommonUI.openPath(Util.getParent(docPath), docPath); hide(); } }); scrollDocumentPanel.add(documentTable); scrollDocumentPanel.setPixelSize(690, 300); vPanel.add(keyword); vPanel.add(scrollDocumentPanel); vPanel.add(new HTML("<br>")); hPanel.add(cancelButton); HTML space = new HTML(); space.setWidth("50"); hPanel.add(space); hPanel.add(actionButton); vPanel.add(hPanel); vPanel.add(new HTML("<br>")); vPanel.setCellHorizontalAlignment(keyword, HasAlignment.ALIGN_CENTER); vPanel.setCellVerticalAlignment(keyword, HasAlignment.ALIGN_MIDDLE); vPanel.setCellHorizontalAlignment(scrollDocumentPanel, HasAlignment.ALIGN_CENTER); vPanel.setCellHorizontalAlignment(hPanel, HasAlignment.ALIGN_CENTER); vPanel.setCellHeight(keyword, "25"); vPanel.setCellHeight(scrollDocumentPanel, "300"); cancelButton.setStyleName("okm-NoButton"); actionButton.setStyleName("okm-YesButton"); documentTable.setStyleName("okm-NoWrap"); documentTable.addStyleName("okm-Table-Row"); keyword.setStyleName("okm-Input"); super.hide(); setWidget(vPanel); } /** * Language refresh */ public void langRefresh() { setText(Main.i18n("search.document.filter")); cancelButton.setText(Main.i18n("button.close")); actionButton.setText(Main.i18n("search.result.menu.go.document")); } /** * Shows the popup */ public void show() { initButtons(); int left = (Window.getClientWidth() - 700) / 2; int top = (Window.getClientHeight() - 350) / 2; setPopupPosition(left, top); setText(Main.i18n("search.document.filter")); // Resets to initial tree value removeAllRows(); keyword.setText(""); evaluateEnableAction(); super.show(); keyword.setFocus(true); } /** * Enables or disables move button * * @param enable */ public void enable(boolean enable) { actionButton.setEnabled(enable); } /** * Enables all button */ private void initButtons() { cancelButton.setEnabled(true); actionButton.setEnabled(false); } /** * removeAllRows */ private void removeAllRows() { selectedRow = -1; evaluateEnableAction(); while (documentTable.getRowCount() > 0) { documentTable.removeRow(0); } } /** * markSelectedRow * * @param row */ private void markSelectedRow(int row) { // And row must be other than the selected one if (row != selectedRow) { styleRow(selectedRow, false); styleRow(row, true); selectedRow = row; } } /** * Change the style row selected or unselected * * @param row The row afected * @param selected Indicates selected unselected row */ private void styleRow(int row, boolean selected) { if (row >= 0) { if (selected) { documentTable.getRowFormatter().addStyleName(row, "okm-Table-SelectedRow"); } else { documentTable.getRowFormatter().removeStyleName(row, "okm-Table-SelectedRow"); } } } /** * evaluateEnableAction */ private void evaluateEnableAction() { enable(selectedRow >= 0); } /** * Call Back find */ final AsyncCallback<GWTResultSet> callbackFind = new AsyncCallback<GWTResultSet>() { public void onSuccess(GWTResultSet result) { GWTResultSet resultSet = result; removeAllRows(); for (Iterator<GWTQueryResult> it = resultSet.getResults().iterator(); it.hasNext();) { GWTQueryResult gwtQueryResult = it.next(); if (gwtQueryResult.getDocument() != null) { GWTDocument doc = gwtQueryResult.getDocument(); int rows = documentTable.getRowCount(); documentTable.setHTML(rows, 0, Util.mimeImageHTML(doc.getMimeType())); documentTable.setHTML(rows, 1, doc.getPath()); documentTable.getCellFormatter().setWidth(rows, 0, "30"); documentTable.getCellFormatter().setHorizontalAlignment(rows, 0, HasHorizontalAlignment.ALIGN_CENTER); } } status.unsetFlagChilds(); } public void onFailure(Throwable caught) { status.unsetFlagChilds(); Main.get().showError("Find", caught); } }; /** * Find * * @param params */ private void find(GWTQueryParams params) { status.setFlagChilds(); searchService.find(params, callbackFind); } }