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1 line
1.7 KiB
JavaScript
1 line
1.7 KiB
JavaScript
$.ui.plugin.add("draggable","scrollPanel",{drag:function(G,H){var J=$(this).data("draggable");clearTimeout(J.timeout);var B=H.options,D=J.element,A=B.panel,C=A.position(),I=A.width(),E=A.height();viewport=A.parent();viewport_w=viewport.width(),viewport_h=viewport.height(),element_w=D.width(),element_h=D.height(),moved=false,close_dist=5,nudge=23,p_min_x=-(I-viewport_w),p_min_y=-(E-viewport_h),p_max_x=0,p_max_y=0,min_vis_x=-C.left,max_vis_x=min_vis_x+viewport_w,min_vis_y=-C.top,max_vis_y=min_vis_y+viewport_h,mouse_x=H.position.left+J.offset.click.left;mouse_y=H.position.top+J.offset.click.top;if((C.left<p_max_x)&&(mouse_x-close_dist<min_vis_x)){var K=Math.min(nudge,p_max_x-C.left);A.css("left",C.left+K);moved=true;J.offset.parent.left+=K;H.position.left-=K}if((!moved)&&(C.left>p_min_x)&&(mouse_x+close_dist>max_vis_x)){var K=Math.min(nudge,C.left-p_min_x);A.css("left",C.left-K);moved=true;J.offset.parent.left-=K;H.position.left+=K}if((!moved)&&(C.top<p_max_y)&&(mouse_y-close_dist<min_vis_y)){var K=Math.min(nudge,p_max_y-C.top);A.css("top",C.top+K);var F=A.position().top-C.top;J.offset.parent.top+=F;H.position.top-=F;moved=true}if((!moved)&&(C.top>p_min_y)&&(mouse_y+close_dist>max_vis_y)){var K=Math.min(nudge,C.top-p_min_x);A.css("top",(C.top-K)+"px");var F=C.top-A.position().top;J.offset.parent.top-=F;H.position.top+=F;moved=true}H.position.left=Math.max(H.position.left,0);H.position.top=Math.max(H.position.top,0);H.position.left=Math.min(H.position.left,I-element_w);H.position.top=Math.min(H.position.top,E-element_h);if(moved){$.ui.ddmanager.prepareOffsets(J,G)}if(moved){J.old_e=G;J.timeout=setTimeout(function(){J.mouseMove(G)},50)}},stop:function(C,B){var A=$(this).data("draggable");clearTimeout(A.timeout)}}); |