Example usage for java.util Collections swap

Introduction

In this page you can find the example usage for java.util Collections swap.

Prototype

private static void swap(Object[] arr, int i, int j)

Source Link

Document

Swaps the two specified elements in the specified array.

Usage

From source file:ayushi.view.adapter.ShoppingListAdapter.java

@Override
public boolean onItemMove(int fromPosition, int toPosition) {

    Collections.swap(productList, fromPosition, toPosition);
    notifyItemMoved(fromPosition, toPosition);
    return true;/*from   w w  w  .  j av  a  2  s  . c  o m*/
}

From source file:br.com.hslife.orcamento.controller.RelatorioCustomizadoController.java

public void subirNivel() {
    // Adiciona o contedo do Set de colunas na lista temporria
    List<RelatorioColuna> listaColunas = new LinkedList<RelatorioColuna>();
    listaColunas.addAll(entity.getColunasRelatorio());

    // Variveis auxiliares para guardar do ndice
    int indiceAtual = 0;
    int indiceAnterior = 0;

    // Varre a lista a procura do elemento selecionado
    for (int i = 0; i < listaColunas.size(); i++) {
        if (listaColunas.get(i).equals(colunaRelatorioTemp)) {
            indiceAtual = i;/*ww w .j a  v  a2 s. c  o  m*/
            indiceAnterior = indiceAtual - 1;
            break;
        }
    }

    // Realiza o swap dos elementos da lista caso indice anterior ser
    // igual ou maior que zero
    if (indiceAnterior >= 0) {
        Collections.swap(listaColunas, indiceAtual, indiceAnterior);
    }

    // Limpa o Set da entidade e adiciona o contedo da lista
    entity.getColunasRelatorio().clear();
    entity.getColunasRelatorio().addAll(listaColunas);

    // Renumera a numerao da ordem das colunas
    int i = 1;
    for (RelatorioColuna coluna : entity.getColunasRelatorio()) {
        coluna.setOrdem(i);
        i++;
    }
}

From source file:com.gm.grecyclerview.SimpleAdapter.java

@Override
public void onItemMoved(int fromPosition, int toPosition) {
    Collections.swap(cells, fromPosition, toPosition);
    notifyItemMoved(fromPosition, toPosition);
}

From source file:br.com.hslife.orcamento.controller.RelatorioCustomizadoController.java

public void descerNivel() {
    // Adiciona o contedo do Set de colunas na lista temporria
    List<RelatorioColuna> listaColunas = new LinkedList<RelatorioColuna>();
    listaColunas.addAll(entity.getColunasRelatorio());

    // Variveis auxiliares para guardar do ndice
    int indiceAtual = 0;
    int indicePosterior = 0;

    // Varre a lista a procura do elemento selecionado
    for (int i = 0; i < listaColunas.size(); i++) {
        if (listaColunas.get(i).equals(colunaRelatorioTemp)) {
            indiceAtual = i;// ww  w  .j  a  va2  s  .  c  o m
            indicePosterior = indiceAtual + 1;
            break;
        }
    }

    // Realiza o swap dos elementos da lista caso indice anterior ser
    // igual ou maior que zero
    if (indicePosterior < listaColunas.size()) {
        Collections.swap(listaColunas, indiceAtual, indicePosterior);
    }

    // Limpa o Set da entidade e adiciona o contedo da lista
    entity.getColunasRelatorio().clear();
    entity.getColunasRelatorio().addAll(listaColunas);

    // Renumera a numerao da ordem das colunas
    int i = 1;
    for (RelatorioColuna coluna : entity.getColunasRelatorio()) {
        coluna.setOrdem(i);
        i++;
    }
}

From source file:org.gbif.ipt.model.Resource.java

/**
 * Delete a Resource's mapping. If the mapping gets successfully deleted, and the mapping is a core type mapping,
 * and there are no additional core type mappings, all other mappings are also cleared.
 *
 * @param mapping ExtensionMapping//from  ww  w  . jav  a 2s.co  m
 *
 * @return if deletion was successful or not
 */
public boolean deleteMapping(ExtensionMapping mapping) {
    if (mapping != null && mappings.contains(mapping)) {
        // what's the core row type?
        String coreRowType = getCoreRowType();
        // is this the resource's core mapping?
        if (coreRowType != null && coreRowType.equalsIgnoreCase(mapping.getExtension().getRowType())) {
            // are there multiple core mappings?
            List<ExtensionMapping> coreMappings = getMappings(coreRowType);
            if (coreMappings.size() > 1) {
                // if it's the first mapping in the list, swap it with next mapping to retain coreType
                if (mappings.indexOf(mapping) == 0) {
                    ExtensionMapping next = coreMappings.get(1);
                    int nextIndex = mappings.indexOf(next);
                    log.debug("Swapping first core mapping with next core mapping with index#"
                            + String.valueOf(nextIndex));
                    Collections.swap(mappings, 0, nextIndex);
                }
                log.debug("Deleting core mapping...");
                return mappings.remove(mapping);
            }
            // if this was the only core mapping, delete all mappings
            else {
                log.debug("Deleting only core mapping and thus clearing all mappings...");
                mappings.clear();
                return true;
            }
        } else {
            log.debug("Deleting non-core mapping...");
            return mappings.remove(mapping);
        }
    }
    log.debug("Mapping was null, or resource no longer has this mapping, thus it could not be deleted!");
    return false;
}

From source file:main.Content.java

private void Rendit() {
    for (int i = 1; i < data.size(); i++) {
        for (int j = i; j > 0; j--) {
            if (data.get(j).getParentValue() == data.get(j - 1).getParentValue()
                    && data.get(j).getParentValue() != 0) {
                if (data.get(j - 1).getID() > data.get(j).getID()) {
                    Collections.swap(data, j, j - 1);
                }/*w w w  .java2  s .com*/
            } else if (Double.parseDouble(data.get(j - 1).getIdString()) > Double
                    .parseDouble(data.get(j).getIdString())) {
                Collections.swap(data, j, j - 1);
            }
        }
        System.out.println("Renditja: " + data.get(i).getIdString());
    }
}

From source file:org.theospi.portfolio.presentation.tool.DecoratedPage.java

public String moveUp() {
    if (getBase().getSequence() != 0) {
        Collections.swap(getParent().getPresentation().getPages(), getBase().getSequence(),
                getBase().getSequence() - 1);
        getParent().reorderPages();//from w ww. j a  v  a2  s.  com
    }
    return null;
}

From source file:org.theospi.portfolio.presentation.tool.DecoratedPage.java

public String moveDown() {
    if (getBase().getSequence() < getParent().getPresentation().getPages().size() - 1) {
        Collections.swap(getParent().getPresentation().getPages(), getBase().getSequence(),
                getBase().getSequence() + 1);
        getParent().reorderPages();/*from  ww  w. j a  va2s.c om*/
    }
    return null;
}

From source file:org.eclipse.wb.internal.core.databinding.ui.editor.contentproviders.ChooseClassAndPropertiesUiContentProvider.java

protected final void handleMoveElement(boolean up, StructuredViewer viewer, List<?> properties) {
    // prepare move indexes
    IStructuredSelection selection = UiUtils.getSelection(viewer);
    int elementIndex = properties.indexOf(selection.getFirstElement());
    int newElementIndex = up ? elementIndex - 1 : elementIndex + 1;
    // move elements
    Collections.swap(properties, elementIndex, newElementIndex);
    // update viewer
    viewer.refresh();//from w  ww . j  a v  a2  s.  c o m
    calculateUpDowButtons();
}

From source file:org.eclipse.mylyn.tasks.ui.wizards.AbstractRepositorySettingsPage.java

private void swapUserNameWithAnonymousInTabList() {
    if (compositeContainer != null && anonymousButton != null && repositoryUserNameEditor != null) {
        List<Control> tabList = Arrays.asList(compositeContainer.getTabList());
        if (tabList.contains(repositoryUserNameEditor.getTextControl(compositeContainer))
                && tabList.contains(anonymousButton)) {
            int userNameIndex = tabList.indexOf(repositoryUserNameEditor.getTextControl(compositeContainer));
            int anonymousIndex = tabList.indexOf(anonymousButton);
            Collections.swap(tabList, userNameIndex, anonymousIndex);
            compositeContainer.setTabList(tabList.toArray(new Control[tabList.size()]));
        }//from   ww  w.  j av a  2s .co m
    }
}