processing/app/src/processing/app/contrib/ListPanel.java at master · dimr/processing · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License version 2

as published by the Free Software Foundation.

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.

59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package processing.app.contrib;

import java.awt.*;

import java.util.List;

import java.util.*;

import java.util.Map.Entry;

import javax.swing.*;

import javax.swing.RowSorter.SortKey;

import javax.swing.border.Border;

import javax.swing.event.*;

import javax.swing.table.*;

import processing.app.Base;

import processing.app.Platform;

import processing.app.ui.Toolkit;

// The "Scrollable" implementation and its methods here take care of preventing

// the scrolling area from running exceptionally slowly. Not sure why they're

// necessary in the first place, however; seems like odd behavior.

// It also allows the description text in the panels to wrap properly.

public class ListPanel extends JPanel

implements Scrollable, ContributionListing.ChangeListener {

ContributionTab contributionTab;

TreeMap<Contribution, DetailPanel> panelByContribution = new TreeMap<Contribution, DetailPanel>(ContributionListing.COMPARATOR);

Set<Contribution> visibleContributions = new TreeSet<Contribution>(ContributionListing.COMPARATOR);

private DetailPanel selectedPanel;

protected Contribution.Filter filter;

protected ContributionListing contribListing = ContributionListing.getInstance();

protected JTable table;

DefaultTableModel model;

JScrollPane scrollPane;

static Icon upToDateIcon;

static Icon updateAvailableIcon;

static Icon incompatibleIcon;

static Icon foundationIcon;

static Icon downloadingIcon;

// Should this be in theme.txt? Of course! Is it? No.

static final Color HEADER_BGCOLOR = new Color(0xffEBEBEB);

public ListPanel() {

if (upToDateIcon == null) {

upToDateIcon = Toolkit.getLibIconX("manager/up-to-date");

updateAvailableIcon = Toolkit.getLibIconX("manager/update-available");

incompatibleIcon = Toolkit.getLibIconX("manager/incompatible");

foundationIcon = Toolkit.getLibIconX("icons/foundation", 16);

downloadingIcon = Toolkit.getLibIconX("manager/downloading");

}

public ListPanel(final ContributionTab contributionTab,

Contribution.Filter filter) {

this.contributionTab = contributionTab;

this.filter = filter;

setLayout(new GridBagLayout());

setOpaque(true);

setBackground(Color.WHITE);

model = new ContribTableModel();

table = new JTable(model) {

@Override

public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {

Component c = super.prepareRenderer(renderer, row, column);

if (isRowSelected(row)) {

c.setBackground(new Color(0xe0fffd));

} else {

c.setBackground(Color.white);

}

return c;

}

};

// There is a space before Status

String[] colName = { " Status", "Name", "Author" };

model.setColumnIdentifiers(colName);

scrollPane = new JScrollPane(table);

scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);

scrollPane.setBorder(BorderFactory.createEmptyBorder());

table.setFillsViewportHeight(true);

table.setDefaultRenderer(Contribution.class, new ContribStatusRenderer());

table.setFont(ManagerFrame.NORMAL_PLAIN);

table.setRowHeight(Toolkit.zoom(28));

table.setRowMargin(Toolkit.zoom(6));

table.getColumnModel().setColumnMargin(0);

table.getColumnModel().getColumn(0).setMaxWidth(ManagerFrame.STATUS_WIDTH);

table.getColumnModel().getColumn(2).setMinWidth(ManagerFrame.AUTHOR_WIDTH);

table.getColumnModel().getColumn(2).setMaxWidth(ManagerFrame.AUTHOR_WIDTH);

table.setShowGrid(false);

table.setColumnSelectionAllowed(false);

table.setCellSelectionEnabled(false);

table.setAutoCreateColumnsFromModel(true);

table.setAutoCreateRowSorter(false);

table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

table.getSelectionModel().addListSelectionListener(new ListSelectionListener() {

public void valueChanged(ListSelectionEvent event) {

//TODO this executes 2 times when clicked and 1 time when traversed using arrow keys

//Ideally this should always be true but while clearing the table something fishy is going on

if (table.getSelectedRow() != -1) {

setSelectedPanel(panelByContribution.get(table.getValueAt(table

.getSelectedRow(), 0)));

// Preventing the focus to move out of filterField after typing every character

if (!contributionTab.filterField.hasFocus()) {

table.requestFocusInWindow();

}

});

TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(table.getModel());

table.setRowSorter(sorter);

sorter.setComparator(1, ContributionListing.COMPARATOR);

sorter.setComparator(2, new Comparator<Contribution>() {

@Override

public int compare(Contribution o1, Contribution o2) {

return getAuthorNameWithoutMarkup(o1.getAuthorList())

.compareTo(getAuthorNameWithoutMarkup(o2.getAuthorList()));

}

});

sorter.setComparator(0, new Comparator<Contribution>() {

@Override

public int compare(Contribution o1, Contribution o2) {

int pos1 = 0;

if (o1.isInstalled()) {

pos1 = 1;

if (contribListing.hasUpdates(o1)) {

pos1 = 2;

}

if (!o1.isCompatible(Base.getRevision())) {

pos1 = 3;

}

} else {

pos1 = 4;

}

int pos2 = 0;

if (o2.isInstalled()) {

pos2 = 1;

if (contribListing.hasUpdates(o2)) {

pos2 = 2;

}

if (!o2.isCompatible(Base.getRevision())) {

pos2 = 3;

}

} else {

pos2 = 4;

}

return pos1 - pos2;

}

});

table.getTableHeader().setDefaultRenderer(new ContribHeaderRenderer());

GroupLayout layout = new GroupLayout(this);

layout.setHorizontalGroup(layout.createParallelGroup().addComponent(scrollPane));

layout.setVerticalGroup(layout.createSequentialGroup().addComponent(scrollPane));

this.setLayout(layout);

table.setVisible(true);

}

class ContribHeaderRenderer extends DefaultTableCellRenderer {

public ContribHeaderRenderer() {

setHorizontalTextPosition(LEFT);

setOpaque(true);

}

/**

* Returns the default table header cell renderer.

*

* If the column is sorted, the appropriate icon is retrieved from the

* current Look and Feel, and a border appropriate to a table header cell

* is applied.

*

* Subclasses may override this method to provide custom content or

* formatting.

* @param table the <code>JTable</code>.

* @param value the value to assign to the header cell

* @param isSelected This parameter is ignored.

* @param hasFocus This parameter is ignored.

* @param row This parameter is ignored.

* @param column the column of the header cell to render

* @return the default table header cell renderer

@Override

public Component getTableCellRendererComponent(JTable table, Object value,

boolean isSelected, boolean hasFocus, int row, int column) {

super.getTableCellRendererComponent(table, value,

isSelected, hasFocus, row, column);

JTableHeader tableHeader = table.getTableHeader();

if (tableHeader != null) {

setForeground(tableHeader.getForeground());

}

setFont(ManagerFrame.SMALL_PLAIN);

setIcon(getSortIcon(table, column));

setBackground(HEADER_BGCOLOR);

// if (column % 2 == 0) {

// setBackground(new Color(0xdfdfdf));

// } else {

// setBackground(new Color(0xebebeb));

// }

setBorder(null);

return this;

}

/**

* Overloaded to return an icon suitable to the primary sorted column, or null if

* the column is not the primary sort key.

* @param table the <code>JTable</code>.

* @param column the column index.

* @return the sort icon, or null if the column is unsorted.

protected Icon getSortIcon(JTable table, int column) {

SortKey sortKey = getSortKey(table, column);

if (sortKey != null && table.convertColumnIndexToView(sortKey.getColumn()) == column) {

switch (sortKey.getSortOrder()) {

case ASCENDING:

return UIManager.getIcon("Table.ascendingSortIcon");

case DESCENDING:

return UIManager.getIcon("Table.descendingSortIcon");

}

return null;

}

/**

* Returns the current sort key, or null if the column is unsorted.

* @param table the table

* @param column the column index

* @return the SortKey, or null if the column is unsorted

protected SortKey getSortKey(JTable table, int column) {

RowSorter rowSorter = table.getRowSorter();

if (rowSorter == null) {

return null;

}

List sortedColumns = rowSorter.getSortKeys();

if (sortedColumns.size() > 0) {

return (SortKey) sortedColumns.get(0);

}

return null;

}

private class ContribStatusRenderer extends DefaultTableCellRenderer {

@Override

public void setVerticalAlignment(int alignment) {

super.setVerticalAlignment(SwingConstants.CENTER);

}

@Override

public Component getTableCellRendererComponent(JTable table, Object value,

boolean isSelected,

boolean hasFocus, int row,

int column) {

Contribution contribution = (Contribution) value;

JLabel label = new JLabel();

if (value == null) {

// Working on https://github.com/processing/processing/issues/3667

//System.err.println("null value seen in getTableCellRendererComponent()");

// TODO this is now working, but the underlying issue is not fixed

return label;

}

if (column == 0) {

Icon icon = null;

label.setFont(ManagerFrame.NORMAL_PLAIN);

if (contribution.isInstalled()) {

icon = upToDateIcon;

if (contribListing.hasUpdates(contribution)) {

icon = updateAvailableIcon;

}

if (!contribution.isCompatible(Base.getRevision())) {

icon = incompatibleIcon;

}

if ((panelByContribution.get(contribution)).updateInProgress ||

(panelByContribution.get(contribution)).installInProgress) {

// Display "Loading icon" if download/install in progress

label.setIcon(downloadingIcon);

} else {

label.setIcon(icon);

}

label.setHorizontalAlignment(SwingConstants.CENTER);

if (isSelected) {

label.setBackground(new Color(0xe0fffd));

}

label.setOpaque(true);

// return table.getDefaultRenderer(Icon.class).getTableCellRendererComponent(table, icon, isSelected, false, row, column);

} else if (column == 1) {

// Generating ellipses based on fontMetrics

final Font boldFont = ManagerFrame.NORMAL_BOLD;

String fontFace = "";

FontMetrics fontMetrics = table.getFontMetrics(boldFont); //table.getFont());

int colSize = table.getColumnModel().getColumn(1).getWidth();

String sentence = contribution.getSentence();

//int currentWidth = table.getFontMetrics(table.getFont().deriveFont(Font.BOLD)).stringWidth(contribution.getName() + " | ");

int currentWidth = table.getFontMetrics(boldFont).stringWidth(contribution.getName() + " | ");

int ellipsesWidth = fontMetrics.stringWidth("...");

//String name = "<html><body>" + contribution.getName();

String name = "<html><body>" + fontFace + contribution.getName();

if (sentence == null) {

label.setText(name + "</body></html>");

} else {

sentence = " | " + sentence;

currentWidth += ellipsesWidth;

int i = 0;

for (i = 0; i < sentence.length(); i++) {

currentWidth += fontMetrics.charWidth(sentence.charAt(i));

if (currentWidth >= colSize) {

break;

}

// Adding ellipses only if text doesn't fits into the column

if(i != sentence.length()){

label.setText(name + sentence.substring(0, i) + "...</body></html>");

}else {

label.setText(name + sentence + "</body></html>");

}

if (!contribution.isCompatible(Base.getRevision())) {

label.setForeground(Color.LIGHT_GRAY);

}

if (table.isRowSelected(row)) {

label.setBackground(new Color(0xe0fffd));

}

label.setFont(ManagerFrame.NORMAL_PLAIN);

label.setOpaque(true);

} else {

if (contribution.isSpecial()) {

label = new JLabel(foundationIcon);

} else {

label = new JLabel();

}

String authorList = contribution.getAuthorList();

String name = getAuthorNameWithoutMarkup(authorList);

label.setText(name);

label.setHorizontalAlignment(SwingConstants.LEFT);

if(!contribution.isCompatible(Base.getRevision())){

label.setForeground(Color.LIGHT_GRAY);

}else{

label.setForeground(Color.BLACK);

}

if (table.isRowSelected(row)) {

label.setBackground(new Color(0xe0fffd));

}

label.setFont(ManagerFrame.NORMAL_BOLD);

label.setOpaque(true);

}

return label;

}

static private class ContribTableModel extends DefaultTableModel {

@Override

public boolean isCellEditable(int row, int column) {

return false;

}

@Override

public Class<?> getColumnClass(int columnIndex) {

return Contribution.class;

}

String getAuthorNameWithoutMarkup(String authorList) {

StringBuilder name = new StringBuilder("");

if (authorList != null) {

for (int i = 0; i < authorList.length(); i++) {

if (authorList.charAt(i) == '[' || authorList.charAt(i) == ']') {

continue;

}

if (authorList.charAt(i) == '(') {

i++;

while (authorList.charAt(i) != ')') {

i++;

}

} else {

name.append(authorList.charAt(i));

}

return name.toString();

}

// Thread: EDT

void updatePanelOrdering(Set<Contribution> contributionsSet) {

model.getDataVector().removeAllElements();

int rowCount = 0;

for (Contribution entry : contributionsSet) {

model.addRow(new Object[]{entry, entry, entry});

if (selectedPanel != null &&

entry.getName().equals(selectedPanel.getContrib().getName())) {

table.setRowSelectionInterval(rowCount, rowCount);

}

rowCount++;

}

model.fireTableDataChanged();

}

// Thread: EDT

public void contributionAdded(final Contribution contribution) {

if (filter.matches(contribution)) {

if (!panelByContribution.containsKey(contribution)) {

DetailPanel newPanel =

new DetailPanel(ListPanel.this);

panelByContribution.put(contribution, newPanel);

visibleContributions.add(contribution);

newPanel.setContribution(contribution);

add(newPanel);

updatePanelOrdering(visibleContributions);

updateColors(); // XXX this is the place

}

// Thread: EDT

public void contributionRemoved(final Contribution contribution) {

if (filter.matches(contribution)) {

DetailPanel panel = panelByContribution.get(contribution);

if (panel != null) {

remove(panel);

panelByContribution.remove(contribution);

}

visibleContributions.remove(contribution);

updatePanelOrdering(visibleContributions);

updateColors();

updateUI();

}

// Thread: EDT

public void contributionChanged(final Contribution oldContrib,

final Contribution newContrib) {

if (filter.matches(oldContrib) || filter.matches(newContrib)) {

DetailPanel panel = panelByContribution.get(oldContrib);

if (panel == null) {

contributionAdded(newContrib);

} else {

panelByContribution.remove(oldContrib);

panel.setContribution(newContrib);

panelByContribution.put(newContrib, panel);

}

if (visibleContributions.contains(oldContrib)) {

visibleContributions.remove(oldContrib);

visibleContributions.add(newContrib);

}

updatePanelOrdering(visibleContributions);

}

// Thread: EDT

public void filterLibraries(List<Contribution> filteredContributions) {

visibleContributions.clear();

for (Contribution contribution : panelByContribution.keySet()) {

if (contribution.getType() == contributionTab.contribType) {

// contains() uses equals() and there can be multiple instances,

// so Contribution.equals() has to be overridden

if (filteredContributions.contains(contribution)) {

if (panelByContribution.keySet().contains(contribution)) {

visibleContributions.add(contribution);

}

// TODO: Make the following loop work for optimization

// for (Contribution contribution : filteredContributions) {

// if (contribution.getType() == contributionTab.contribType) {

// if(panelByContribution.keySet().contains(contribution)){

// visibleContributions.add(contribution);

// }

updatePanelOrdering(visibleContributions);

}

// Thread: EDT

protected void setSelectedPanel(DetailPanel contributionPanel) {

contributionTab.updateStatusPanel(contributionPanel);

if (selectedPanel == contributionPanel) {

selectedPanel.setSelected(true);

} else {

DetailPanel lastSelected = selectedPanel;

selectedPanel = contributionPanel;

if (lastSelected != null) {

lastSelected.setSelected(false);

}

contributionPanel.setSelected(true);

updateColors();

requestFocusInWindow();

}

protected DetailPanel getSelectedPanel() {

return selectedPanel;

}

// Thread: EDT

/**

* Updates the colors of all library panels that are visible.

protected void updateColors() {

int count = 0;

for (Entry<Contribution, DetailPanel> entry : panelByContribution.entrySet()) {

DetailPanel panel = entry.getValue();

if (panel.isVisible() && panel.isSelected()) {

panel.setBackground(UIManager.getColor("List.selectionBackground"));

panel.setForeground(UIManager.getColor("List.selectionForeground"));

panel.setBorder(UIManager.getBorder("List.focusCellHighlightBorder"));

count++;

} else {

Border border = null;

if (panel.isVisible()) {

if (Platform.isMacOS()) {

if (count % 2 == 1) {

border = UIManager.getBorder("List.oddRowBackgroundPainter");

} else {

border = UIManager.getBorder("List.evenRowBackgroundPainter");

}

} else {

if (count % 2 == 1) {

panel.setBackground(new Color(219, 224, 229));

} else {

panel.setBackground(new Color(241, 241, 241));

}

count++;

}

if (border == null) {

border = BorderFactory.createEmptyBorder(1, 1, 1, 1);

}

panel.setBorder(border);

panel.setForeground(UIManager.getColor("List.foreground"));

}

@Override

public Dimension getPreferredScrollableViewportSize() {

return getPreferredSize();

}

/**

* Amount to scroll to reveal a new page of items

@Override

public int getScrollableBlockIncrement(Rectangle visibleRect,

int orientation, int direction) {

if (orientation == SwingConstants.VERTICAL) {

int blockAmount = visibleRect.height;

if (direction > 0) {

visibleRect.y += blockAmount;

} else {

visibleRect.y -= blockAmount;

}

blockAmount +=

getScrollableUnitIncrement(visibleRect, orientation, direction);

return blockAmount;

}

return 0;

}

/**

* Amount to scroll to reveal the rest of something we are on or a new item

@Override

public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {

if (orientation == SwingConstants.VERTICAL) {

int lastHeight = 0, height = 0;

int bottomOfScrollArea = visibleRect.y + visibleRect.height;

for (Component c : getComponents()) {

if (c.isVisible()) {

if (c instanceof DetailPanel) {

Dimension d = c.getPreferredSize();

int nextHeight = height + d.height;

if (direction > 0) {

// scrolling down

if (nextHeight > bottomOfScrollArea) {

return nextHeight - bottomOfScrollArea;

}

} else {

// scrolling up

if (nextHeight > visibleRect.y) {

if (visibleRect.y != height) {

return visibleRect.y - height;

} else {

return visibleRect.y - lastHeight;

}

lastHeight = height;

height = nextHeight;

}

return 0;

}

@Override

public boolean getScrollableTracksViewportHeight() {

return false;

}

@Override

public boolean getScrollableTracksViewportWidth() {

return true;

}

public int getRowCount() {

return panelByContribution.size();

}

processing/app/src/processing/app/contrib/ListPanel.java at master · dimr/processing · GitHub

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