/* * @(#)XTool.java 0.1 97/01/28 Jonathan Callahan * * * This software was developed by the Thermal Modeling and Analysis * Project(TMAP) of the National Oceanographic and Atmospheric * Administration's (NOAA) Pacific Marine Environmental Lab(PMEL), * hereafter referred to as NOAA/PMEL/TMAP. * * Access and use of this software shall impose the following * obligations and understandings on the user. The user is granted the * right, without any fee or cost, to use, copy, modify, alter, enhance * and distribute this software, and any derivative works thereof, and * its supporting documentation for any purpose whatsoever, provided * that this entire notice appears in all copies of the software, * derivative works and supporting documentation. Further, the user * agrees to credit NOAA/PMEL/TMAP in any publications that result from * the use of this software or in any product that includes this * software. The names TMAP, NOAA and/or PMEL, however, may not be used * in any advertising or publicity to endorse or promote any products * or commercial entity unless specific written permission is obtained * from NOAA/PMEL/TMAP. The user also understands that NOAA/PMEL/TMAP * is not obligated to provide the user with any support, consulting, * training or assistance of any kind with regard to the use, operation * and performance of this software nor to provide the user with any * updates, revisions, new versions or "bug fixes". * * THIS SOFTWARE IS PROVIDED BY NOAA/PMEL/TMAP "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 NOAA/PMEL/TMAP BE LIABLE FOR ANY SPECIAL, * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE. * */ package dods.clients.importwizard.TMAP.map; import java.awt.Color; import java.awt.Graphics; import java.awt.Rectangle; //import dods.clients.importwizard.TMAP.map.MapTool; /** * A rectangular map tool defined by x, y, width and height. * * This tool draws a rubber-band box on the screen. * * @version 0.1, 15 Aug 1996 * @author Jonathan Callahan */ public class XTool extends MapTool { /** * Constructs and initializes an XTool with the specified parameters. * @param x the x coordinate * @param y the y coordinate * @param width the width of the XTool * @param height the height of the XTool */ public XTool(int x, int y, int width, int height, Color color) { numHandles = 3; mouseDownHandle = E; snapMid_Y = false; needsRange_Y = false; this.x = x; this.y = y; this.width = width; this.height = height; this.color = color; this.saveHandles(); } /** * Constructs an XTool and initializes it to the specified rectangle. * @param rect the rectangle of the XTool */ public XTool(Rectangle rect, Color color) { this(rect.x, rect.y, rect.width, rect.height, color); } /** * Draws an XTool. * * This method overrides the <code>abstract</code> method in * MapTool and allows us to instantiate an XTool. * @param g the graphics context for the drawing operation. */ public void draw(Graphics g) { int i=0; g.setColor(color); g.drawLine(x, y+height/2, x+width, y+height/2); if ( drawHandles ) { for (i=0; i<numHandles; i++) handle[i].draw(g); } } /** * Saves the current positions of all the handles. */ protected void saveHandles() { handle = new ToolHandle[numHandles]; handle[0] = new ToolHandle(x-hw/2, y+height/2-hh/2, hw, hh, color, W); handle[1] = new ToolHandle(x+width/2-hw/2, y+height/2-hh/2, hw, hh, color, C); handle[2] = new ToolHandle(x+width-hw/2, y+height/2-hh/2, hw, hh, color, E); } /** * Adjust the width or height for those tools which don't * specify an extent of width or height. * * XTool, and decendents need to adjust the height. */ public void adjustWidthHeight() { if ( this.y + height/2 < boundingRect.y ) { this.height = 0; this.y = boundingRect.y; } else if ( this.y < boundingRect.y ) { this.height = 2 * (this.y + this.height/2 - boundingRect.y); this.y = boundingRect.y; } else if ( this.y + height/2 > boundingRect.y + boundingRect.height ) { this.height = 0; this.y = boundingRect.y + boundingRect.height; } else if ( this.y + height > boundingRect.y + boundingRect.height ) { this.height = 2 * (boundingRect.y + boundingRect.height - (this.y + this.height/2)); this.y = boundingRect.y+boundingRect.height-this.height; } } public void bump_against_sides(int mouse_x, int mouse_y) { // left edge against left edge of the boundingRect if ( (mouse_x-width/2) < boundingRect.x ) { this.pan_right = false; this.pan_right_fast = false; if (left_edge_scroll) { this.pan_left = true; if ( mouse_x < boundingRect.x+2 ) this.pan_left_fast = true; else this.pan_left_fast = false; } else { this.pan_left = false; this.pan_left_fast = false; } x = boundingRect.x; // right edge against right edge of the boundingRect } else if ( (mouse_x-width/2+width) > (boundingRect.x+boundingRect.width) ) { this.pan_left = false; this.pan_left_fast = false; if (right_edge_scroll) { this.pan_right = true; if ( mouse_x > boundingRect.x+boundingRect.width-2 ) this.pan_right_fast = true; else this.pan_right_fast = false; } else { this.pan_right = false; this.pan_right_fast = false; } x = (boundingRect.x+boundingRect.width) - width; } else { this.pan_left = false; this.pan_right = false; this.pan_left_fast = false; this.pan_right_fast = false; x = mouse_x-width/2; } // top edge against top edge of the boundingRect if ( mouse_y < boundingRect.y+hh/2 ) { this.pan_down = false; this.pan_down_fast = false; if (top_edge_scroll) { this.pan_up = true; if ( mouse_y == boundingRect.y ) this.pan_up_fast = true; else this.pan_up_fast = false; } else { this.pan_up = false; this.pan_up_fast = false; } y = boundingRect.y; height = 0; // bottom edge against bottom edge of the boundingRect } else if ( mouse_y > boundingRect.y+boundingRect.height-hh/2 ) { this.pan_up = false; this.pan_up_fast = false; if (bottom_edge_scroll) { this.pan_down = true; if ( mouse_y == boundingRect.y+boundingRect.height ) this.pan_down_fast = true; else this.pan_down_fast = false; } else { this.pan_down = false; this.pan_down = false; } y = boundingRect.y+boundingRect.height; height = 0; } else { this.pan_down = false; this.pan_up = false; this.pan_down_fast = false; this.pan_up_fast = false; y = mouse_y-height/2; } } }