86d972102a4fe9b77b62cf5efe1003864c25df9e
max
  Thu Mar 16 02:50:52 2023 -0700
clean kent first, no redmine, github #75

diff --git src/hg/js/jquery.imgareaselect.js src/hg/js/jquery.imgareaselect.js
index 428a185..ec1fe29 100644
--- src/hg/js/jquery.imgareaselect.js
+++ src/hg/js/jquery.imgareaselect.js
@@ -1,583 +1,591 @@
 /*
  * imgAreaSelect jQuery plugin
  * version 0.6.2
  *
  * Copyright (c) 2008 Michal Wojciechowski (odyniec.net)
  *
  * Dual licensed under the MIT (MIT-LICENSE.txt)
  * and GPL (GPL-LICENSE.txt) licenses.
  *
  * http://odyniec.net/projects/imgareaselect/
  *
  * modified by larrym to support hgTracks functionality; added:
  *
  * o options.clickClipHeight - allows click through to map items
  *
  * o selection.event - provides access mouse event object to callbacks
  *
+ * modified by max to support: minX, maxX - do not allow selecting before or after a given x position
+ *
  */
 
 jQuery.imgAreaSelect = { onKeyPress: null };
 
 jQuery.imgAreaSelect.init = function (img, options) {
     var $area = jQuery('<div></div>'),
         $border1 = jQuery('<div></div>'),
         $border2 = jQuery('<div></div>'),
         $outLeft = jQuery('<div></div>'),
         $outTop = jQuery('<div></div>'),
         $outRight = jQuery('<div></div>'),
         $outBottom = jQuery('<div></div>'),
         left, top, imgOfs, imgWidth, imgHeight, parent, parOfs, parScroll,
         adjusted, zIndex = 0, fixed, $p, startX, startY, moveX, moveY,
         resizeMargin = 10, resize = [ ], V = 0, H = 1,
         keyDown, d, aspectRatio, x1, x2, y1, y2, x, y,
         selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0, event: null};
 
     var $a = $area.add($border1).add($border2);
     var $o = $outLeft.add($outTop).add($outRight).add($outBottom);
 
     function viewX(x)
     {
         return x + imgOfs.left + parScroll.left - parOfs.left;
     }
 
     function viewY(y)
     {
         return y + imgOfs.top + parScroll.top - parOfs.top;
     }
 
     function selX(x)
     {
         return x - imgOfs.left - parScroll.left + parOfs.left;
     }
 
     function selY(y)
     {
         return y - imgOfs.top - parScroll.top + parOfs.top;
     }
 
     function evX(event)
     {
         return event.pageX + parScroll.left - parOfs.left;
     }
 
     function evY(event)
     {
         return event.pageY + parScroll.top - parOfs.top;
     }
 
     function adjust()
     {
         imgOfs = jQuery(img).offset();
         imgWidth = jQuery(img).width();
         imgHeight = jQuery(img).height();
 
         if (jQuery(parent).is('body'))
             parOfs = parScroll = { left: 0, top: 0 };
         else {
             parOfs = jQuery(parent).offset();
             parScroll = { left: parent.scrollLeft, top: parent.scrollTop };
         }
 
         left = viewX(0);
         top = viewY(0);
     }
 
     function update(resetKeyPress)
     {
         $a.css({
             left: viewX(selection.x1) + 'px',
             top: viewY(selection.y1) + 'px',
             width: Math.max(selection.width - options.borderWidth * 2, 0) + 'px',
             height: Math.max(selection.height - options.borderWidth * 2, 0) + 'px'
         });
         $outLeft.css({ left: left + 'px', top: top + 'px',
             width: selection.x1 + 'px', height: imgHeight + 'px' });
         $outTop.css({ left: left + selection.x1 + 'px', top: top + 'px',
             width: selection.width + 'px', height: selection.y1 + 'px' });
         $outRight.css({ left: left + selection.x2 + 'px', top: top + 'px',
             width: imgWidth - selection.x2 + 'px', height: imgHeight + 'px' });
         $outBottom.css({ left: left + selection.x1 + 'px', top: top + selection.y2 + 'px',
             width: selection.width + 'px', height: imgHeight - selection.y2 + 'px' });
 
         if (resetKeyPress !== false) {
             if (jQuery.imgAreaSelect.keyPress != docKeyPress)
                 jQuery(document).unbind(jQuery.imgAreaSelect.keyPress,
                     jQuery.imgAreaSelect.onKeyPress);
 
             if (options.keys)
                 jQuery(document).bind(jQuery.imgAreaSelect.keyPress,
                     jQuery.imgAreaSelect.onKeyPress = docKeyPress);
         }
     }
 
     function areaMouseMove(event)
     {
         if (!adjusted) {
             adjust();
             adjusted = true;
 
             $a.one('mouseout', function () { adjusted = false; });
         }
 
         x = selX(evX(event)) - selection.x1;
         y = selY(evY(event)) - selection.y1;
 
         resize = [ ];
 
         if (options.resizable) {
             if (y <= resizeMargin)
                 resize[V] = 'n';
             else if (y >= selection.height - resizeMargin)
                 resize[V] = 's';
             if (x <= resizeMargin)
                 resize[H] = 'w';
             else if (x >= selection.width - resizeMargin)
                 resize[H] = 'e';
         }
 
         $border2.css('cursor', resize.length ? resize.join('') + '-resize' :
             options.movable ? 'move' : '');
     }
 
     function areaMouseDown(event)
     {
         if (event.which > 1 || event.button > 1) return true;
         selection.event = event;
 
         adjust();
 
         if (options.resizable && resize.length > 0) {
             jQuery('body').css('cursor', resize.join('') + '-resize');
 
             x1 = viewX(resize[H] == 'w' ? selection.x2 : selection.x1);
             y1 = viewY(resize[V] == 'n' ? selection.y2 : selection.y1);
 
             jQuery(document).mousemove(selectingMouseMove);
             $border2.unbind('mousemove', areaMouseMove);
 
             jQuery(document).one('mouseup', function (event) {
                 selection.event = event;
                 resize = [ ];
 
                 jQuery('body').css('cursor', '');
 
                 if (options.autoHide)
                     $a.add($o).hide();
 
                 options.onSelectEnd(img, selection, event);
 
                 jQuery(document).unbind('mousemove', selectingMouseMove);
                 $border2.mousemove(areaMouseMove);
             });
         }
         else if (options.movable) {
             moveX = selection.x1 + left;
             moveY = selection.y1 + top;
             startX = evX(event);
             startY = evY(event);
 
             jQuery(document).mousemove(movingMouseMove)
                 .one('mouseup', function (event) {
                     selection.event = event;
                     options.onSelectEnd(img, selection, event);
 
                     jQuery(document).unbind('mousemove', movingMouseMove);
                 });
         }
         else
             jQuery(img).mousedown(event);
 
         return false;
     }
 
     function aspectRatioXY()
     {
         x2 = Math.max(left, Math.min(left + imgWidth,
             x1 + Math.abs(y2 - y1) * aspectRatio * (x2 >= x1 ? 1 : -1)));
         y2 = Math.round(Math.max(top, Math.min(top + imgHeight,
             y1 + Math.abs(x2 - x1) / aspectRatio * (y2 >= y1 ? 1 : -1))));
         x2 = Math.round(x2);
     }
 
     function aspectRatioYX()
     {
         y2 = Math.max(top, Math.min(top + imgHeight,
             y1 + Math.abs(x2 - x1) / aspectRatio * (y2 >= y1 ? 1 : -1)));
         x2 = Math.round(Math.max(left, Math.min(left + imgWidth,
             x1 + Math.abs(y2 - y1) * aspectRatio * (x2 >= x1 ? 1 : -1))));
         y2 = Math.round(y2);
     }
 
     function doResize(newX2, newY2)
     {
         x2 = newX2;
         y2 = newY2;
 
+        if (options.minX && x2 < options.minX)
+            x2 = options.minX;
+        if (options.maxX && x2 > options.maxX)
+            x2 = options.maxX;
+
         if (options.minWidth && Math.abs(x2 - x1) < options.minWidth) {
             x2 = x1 - options.minWidth * (x2 < x1 ? 1 : -1);
 
             if (x2 < left)
                 x1 = left + options.minWidth;
+
             else if (x2 > left + imgWidth)
                 x1 = left + imgWidth - options.minWidth;
         }
 
         if (options.minHeight && Math.abs(y2 - y1) < options.minHeight) {
             y2 = y1 - options.minHeight * (y2 < y1 ? 1 : -1);
 
             if (y2 < top)
                 y1 = top + options.minHeight;
             else if (y2 > top + imgHeight)
                 y1 = top + imgHeight - options.minHeight;
         }
 
         x2 = Math.max(left, Math.min(x2, left + imgWidth));
         y2 = Math.max(top, Math.min(y2, top + imgHeight));
 
         if (aspectRatio)
             if (Math.abs(x2 - x1) / aspectRatio > Math.abs(y2 - y1))
                 aspectRatioYX();
             else
                 aspectRatioXY();
 
         if (options.maxWidth && Math.abs(x2 - x1) > options.maxWidth) {
             x2 = x1 - options.maxWidth * (x2 < x1 ? 1 : -1);
             if (aspectRatio) aspectRatioYX();
         }
 
         if (options.maxHeight && Math.abs(y2 - y1) > options.maxHeight) {
             y2 = y1 - options.maxHeight * (y2 < y1 ? 1 : -1);
             if (aspectRatio) aspectRatioXY();
         }
 
         selection.x1 = selX(Math.min(x1, x2));
         selection.x2 = selX(Math.max(x1, x2));
         selection.y1 = selY(Math.min(y1, y2));
         selection.y2 = selY(Math.max(y1, y2));
         selection.width = Math.abs(x2 - x1);
         selection.height = Math.abs(y2 - y1);
 
         update();
 
         options.onSelectChange(img, selection);
     }
 
     function selectingMouseMove(event)
     {
         selection.event = event;
         x2 = !resize.length || resize[H] || aspectRatio ? evX(event) : viewX(selection.x2);
         y2 = !resize.length || resize[V] || aspectRatio ? evY(event) : viewY(selection.y2);
 
         doResize(x2, y2);
 
         return false;
     }
 
     function doMove(newX1, newY1)
     {
         x2 = (x1 = newX1) + selection.width;
         y2 = (y1 = newY1) + selection.height;
 
         selection.x1 = selX(x1);
         selection.y1 = selY(y1);
         selection.x2 = selX(x2);
         selection.y2 = selY(y2);
 
         update();
 
         options.onSelectChange(img, selection);
     }
 
     function movingMouseMove(event)
     {
         selection.event = event;
         var newX1 = Math.max(left, Math.min(moveX + evX(event) - startX,
             left + imgWidth - selection.width));
         var newY1 = Math.max(top, Math.min(moveY + evY(event) - startY,
             top + imgHeight - selection.height));
 
         doMove(newX1, newY1);
 
         event.preventDefault();
         return false;
     }
 
     function startSelection(event)
     {
         adjust();
 
         selection.x1 = selection.x2 = selX(startX = x1 = x2 = evX(event));
         selection.y1 = selection.y2 = selY(startY = y1 = y2 = evY(event));
         selection.width = 0;
         selection.height = 0;
         selection.event = event;
 
         if(options.clickClipHeight != null) {
             // This is necessary on IE to support clicks in an image which has map items.
             var found = false;
             if(typeof(options.clickClipHeight) == 'number') {
                 if(selection.y1 < options.clickClipHeight) {
                     found = true;
                 }
             } else {
                 for(var i = 0; !found && i < options.clickClipHeight.length; i++) {
                     if(selection.y1 >= options.clickClipHeight[i].top && selection.y1 < options.clickClipHeight[i].bottom) {
                         found = true;
                     }
                 }
             }
             found = found || event.shiftKey || event.metaKey || event.altKey || event.ctrlKey;
             if(!found) {
                 return false;
             }
         }
 
         resize = [ ];
 
         update();
         $a.add($o).show();
         $o.css('cursor', "crosshair"); // Outside of borders (needed for dragging right)
         $a.css('cursor', "crosshair"); // Inside borders (needed for dragging left)
 
         jQuery(document).unbind('mouseup', cancelSelection)
             .mousemove(selectingMouseMove);
         $border2.unbind('mousemove', areaMouseMove);
 
         options.onSelectStart(img, selection);
 
         jQuery(document).one('mouseup', function (event) {
             selection.event = event;
             if (options.autoHide || (selection.width * selection.height == 0))
                 $a.add($o).hide();
 
             options.onSelectEnd(img, selection, event);
 
             //$o.css('cursor', ""); // Not even necessary
             //$a.css('cursor', "");
 
             jQuery(document).unbind('mousemove', selectingMouseMove);
             $border2.mousemove(areaMouseMove);
         });
     }
 
     function cancelSelection(event)
     {
         // The default behavior of imgareaselect is to cancel selection if the user let's go of the mouse before
         // moving it; we change the behavior so we can treat this as a single click, centering event.
         selection.event = event;
         jQuery(document).unbind('mousemove', startSelection);
         $a.add($o).hide();
 
         selection.x1 = selection.x2 = selX(startX = x1 = x2 = evX(event));
         selection.y1 = selection.y2 = selY(startY = y1 = y2 = evY(event));
 
         options.onSelectChange(img, selection);
         options.onSelectEnd(img, selection, event);
     }
 
     function imgMouseDown(event)
     {
         if (event.which > 1 || event.button > 1) return true;
 
         jQuery(document).one('mousemove', startSelection)
             .one('mouseup', cancelSelection);
 
         return false;
     }
 
     function windowResize()
     {
         adjust();
         update(false);
         x1 = viewX(selection.x1);
         y1 = viewY(selection.y1);
         x2 = viewX(selection.x2);
         y2 = viewY(selection.y2);
     }
 
     var docKeyPress = function(event) {
         var k = options.keys, d = 10, t,
             key = event.keyCode || event.which;
 
         if (!isNaN(k.arrows)) d = k.arrows;
         if (!isNaN(k.shift) && event.shiftKey) d = k.shift;
         if (!isNaN(k.ctrl) && event.ctrlKey) d = k.ctrl;
         if (!isNaN(k.alt) && (event.altKey || event.originalEvent.altKey)) d = k.alt;
 
         if (k.arrows == 'resize' || (k.shift == 'resize' && event.shiftKey) ||
             (k.ctrl == 'resize' && event.ctrlKey) ||
             (k.alt == 'resize' && (event.altKey || event.originalEvent.altKey)))
         {
             switch (key) {
             case 37:
                 d = -d;
             case 39:
                 t = Math.max(x1, x2);
                 x1 = Math.min(x1, x2);
                 x2 = Math.max(t + d, x1);
                 if (aspectRatio) aspectRatioYX();
                 break;
             case 38:
                 d = -d;
             case 40:
                 t = Math.max(y1, y2);
                 y1 = Math.min(y1, y2);
                 y2 = Math.max(t + d, y1);
                 if (aspectRatio) aspectRatioXY();
                 break;
             default:
                 return;
             }
 
             doResize(x2, y2);
         }
         else {
             x1 = Math.min(x1, x2);
             y1 = Math.min(y1, y2);
 
             switch (key) {
             case 37:
                 doMove(Math.max(x1 - d, left), y1);
                 break;
             case 38:
                 doMove(x1, Math.max(y1 - d, top));
                 break;
             case 39:
                 doMove(x1 + Math.min(d, imgWidth - selX(x2)), y1);
                 break;
             case 40:
                 doMove(x1, y1 + Math.min(d, imgHeight - selY(y2)));
                 break;
             default:
                 return;
             }
         }
 
         return false;
     };
 
     this.setOptions = function(newOptions)
     {
         options = jQuery.extend(options, newOptions);
 
         if (newOptions.x1 != null) {
             selection.x1 = newOptions.x1;
             selection.y1 = newOptions.y1;
             selection.x2 = newOptions.x2;
             selection.y2 = newOptions.y2;
             newOptions.show = true;
         }
 
         if (newOptions.keys)
             options.keys = jQuery.extend({ shift: 1, ctrl: 'resize' },
                 newOptions.keys === true ? { } : newOptions.keys);
 
         parent = jQuery(options.parent).get(0);
 
         adjust();
 
         $p = jQuery(img);
 
         while ($p.length && !$p.is('body')) {
             if (!isNaN($p.css('z-index')) && $p.css('z-index') > zIndex)
                 zIndex = $p.css('z-index');
             if ($p.css('position') == 'fixed') fixed = true;
 
             $p = $p.parent();
         }
 
         x1 = viewX(selection.x1);
         y1 = viewY(selection.y1);
         x2 = viewX(selection.x2);
         y2 = viewY(selection.y2);
         selection.width = x2 - x1;
         selection.height = y2 - y1;
 
         update();
 
         if (newOptions.hide)
             $a.add($o).hide();
         else if (newOptions.show)
             $a.add($o).show();
 
         $o.addClass(options.classPrefix + '-outer');
         $area.addClass(options.classPrefix + '-selection');
         $border1.addClass(options.classPrefix + '-border1');
         $border2.addClass(options.classPrefix + '-border2');
 
         $a.css({ borderWidth: options.borderWidth + 'px' });
         $area.css({ backgroundColor: options.selectionColor, opacity: options.selectionOpacity });
         $border1.css({ borderStyle: 'solid', borderColor: options.borderColor1 });
         $border2.css({ borderStyle: 'dashed', borderColor: options.borderColor2 });
         $o.css({ opacity: options.outerOpacity, backgroundColor: options.outerColor });
 
         aspectRatio = options.aspectRatio && (d = options.aspectRatio.split(/:/)) ?
             d[0] / d[1] : null;
 
         if (options.disable || options.enable === false) {
             $a.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown);
             jQuery(img).add($o).unbind('mousedown', imgMouseDown);
             jQuery(window).unbind('resize', windowResize);
         }
         else if (options.enable || options.disable === false) {
             if (options.resizable || options.movable)
                 $a.mousemove(areaMouseMove).mousedown(areaMouseDown);
 
             if (!options.persistent)
                 jQuery(img).add($o).mousedown(imgMouseDown);
             jQuery(window).resize(windowResize);
         }
 
         jQuery(options.parent).append($o.add($a));
 
         options.enable = options.disable = undefined;
     };
 
     if (jQuery.browser.msie)
         jQuery(img).attr('unselectable', 'on');
 
     jQuery.imgAreaSelect.keyPress = jQuery.browser.msie ||
         jQuery.browser.safari ? 'keydown' : 'keypress';
 
     $a.add($o).css({ display: 'none', position: fixed ? 'fixed' : 'absolute',
         overflow: 'hidden', zIndex: zIndex > 0 ? zIndex : '0' });
     $area.css({ borderStyle: 'solid' });
 
     initOptions = {
         borderColor1: '#000',
         borderColor2: '#fff',
         borderWidth: 1,
         classPrefix: 'imgareaselect',
         movable: true,
         resizable: true,
         selectionColor: '#fff',
         selectionOpacity: 0.2,
         outerColor: '#000',
         outerOpacity: 0.2,
         parent: 'body',
         onSelectStart: function () {},
         onSelectChange: function () {},
         onSelectEnd: function () {}
     };
 
     options = jQuery.extend(initOptions, options);
     this.setOptions(options);
 };
 
 jQuery.fn.imgAreaSelect = function (options) {
     options = options || {};
 
     this.each(function () {
         if (jQuery(this).data('imgAreaSelect'))
             jQuery(this).data('imgAreaSelect').setOptions(options);
         else {
             if (options.enable === undefined && options.disable === undefined)
                 options.enable = true;
 
             jQuery(this).data('imgAreaSelect', new jQuery.imgAreaSelect.init(this, options));
         }
     });
 
     return this;
 };