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/*
* #%L
* SciJava Common shared library for SciJava software.
* %%
* Copyright (C) 2009 - 2026 SciJava developers.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* #L%
*/
package org.scijava.tool;
import java.util.List;
import org.scijava.plugin.SingletonService;
import org.scijava.service.SciJavaService;
import org.scijava.util.RealCoords;
/**
* Interface for service that tracks available tools.
*
* @author Grant Harris
* @author Curtis Rueden
*/
public interface ToolService extends SingletonService<Tool>, SciJavaService {
double SEPARATOR_DISTANCE = 10;
Tool getTool(String name);
/**
* Get a tool given its class.
*
* @param <T> the tool's type
* @param toolClass the class of the tool to fetch
* @return the tool, or null if no such tool
*/
default <T extends Tool> T getTool(final Class<T> toolClass) {
for (final Tool tool : getAlwaysActiveTools()) {
if (toolClass.isInstance(tool)) return toolClass.cast(tool);
}
for (final Tool tool : getTools()) {
if (toolClass.isInstance(tool)) return toolClass.cast(tool);
}
return null;
}
List<Tool> getTools();
List<Tool> getAlwaysActiveTools();
Tool getActiveTool();
void setActiveTool(Tool activeTool);
/**
* Returns true if the two specified tools should have a separator between
* them on the tool bar.
*/
default boolean isSeparatorNeeded(final Tool tool1, final Tool tool2) {
if (tool1 == null || tool2 == null) return false;
final double priority1 = tool1.getInfo().getPriority();
final double priority2 = tool2.getInfo().getPriority();
return Math.abs(priority1 - priority2) >= SEPARATOR_DISTANCE;
}
/** Publishes rectangle dimensions in the status bar. */
void reportRectangle(final double x, final double y, final double w,
final double h);
/** Publishes rectangle dimensions in the status bar. */
default void reportRectangle(final RealCoords p1, final RealCoords p2) {
final double x = Math.min(p1.x, p2.x);
final double y = Math.min(p1.y, p2.y);
final double w = Math.abs(p2.x - p1.x);
final double h = Math.abs(p2.y - p1.y);
reportRectangle(x, y, w, h);
}
/** Publishes line length and angle in the status bar. */
void reportLine(final double x1, final double y1, final double x2,
final double y2);
/** Publishes line length and angle in the status bar. */
default void reportLine(final RealCoords p1, final RealCoords p2) {
reportLine(p1.x, p1.y, p2.x, p2.y);
}
/** Publishes point coordinates to the status bar. */
void reportPoint(final double x, final double y);
/** Publishes point coordinates to the status bar. */
default void reportPoint(final RealCoords p) {
reportPoint(p.x, p.y);
}
// -- PTService methods --
@Override
default Class<Tool> getPluginType() {
return Tool.class;
}
}