| 1 | |
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| 2 | // JavaScript behaviors for the Image CAPTCHA |
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| 3 | Drupal.behaviors.imageCaptcha = function (context) { |
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| 4 | |
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| 5 | // Add a click event to CAPTCHA images to reload the CAPTCHA image |
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| 6 | $(".captcha_image", context).click(function() { |
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| 7 | $(this).attr('src', $(this).attr('src').replace(/\?.*$/, '') + '?r=' + Math.random()); |
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| 8 | }) |
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| 9 | |
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| 10 | }; |
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| 11 | |
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| 12 | // JavaScript behaviors for the Image CAPTCHA admin page |
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| 13 | Drupal.behaviors.imageCaptchaAdmin = function (context) { |
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| 14 | |
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| 15 | // Helper function to show/hide noise level widget. |
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| 16 | var noise_level_shower = function(speed) { |
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| 17 | speed = (typeof speed == 'undefined') ? 'slow' : speed; |
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| 18 | if ($("#edit-image-captcha-dot-noise").is(":checked") || $("#edit-image-captcha-line-noise").is(":checked")) { |
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| 19 | $("#edit-image-captcha-noise-level-wrapper").show(speed); |
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| 20 | } |
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| 21 | else { |
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| 22 | $("#edit-image-captcha-noise-level-wrapper").hide(speed); |
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| 23 | } |
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| 24 | } |
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| 25 | // Add onclick handler to the dot and line noise check boxes. |
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| 26 | $("#edit-image-captcha-dot-noise").click(noise_level_shower); |
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| 27 | $("#edit-image-captcha-line-noise").click(noise_level_shower); |
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| 28 | // Show or hide appropriately on page load. |
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| 29 | noise_level_shower(0); |
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| 30 | |
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| 31 | // Helper function to show/hide smooth distortion widget. |
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| 32 | var smooth_distortion_shower = function(speed) { |
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| 33 | speed = (typeof speed == 'undefined') ? 'slow' : speed; |
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| 34 | if ($("#edit-image-captcha-distortion-amplitude").val() > 0) { |
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| 35 | $("#edit-image-captcha-bilinear-interpolation-wrapper").show(speed); |
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| 36 | } |
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| 37 | else { |
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| 38 | $("#edit-image-captcha-bilinear-interpolation-wrapper").hide(speed); |
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| 39 | } |
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| 40 | } |
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| 41 | // Add onchange handler to the distortion level select widget. |
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| 42 | $("#edit-image-captcha-distortion-amplitude").change(smooth_distortion_shower); |
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| 43 | // Show or hide appropriately on page load. |
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| 44 | smooth_distortion_shower(0) |
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| 45 | |
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| 46 | }; |
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